{"attempt":1,"datasets":{"maketable4":{"description_shown":"The authors' replication file for Table 4 of Acemoglu, Johnson and Robinson (2001), 'The Colonial Origins of Comparative Development': one row per country (163 rows). Columns: shortnam, the 3-letter country code; africa, 1 for countries in Africa; asia, 1 for countries in Asia; rich4, 1 for the four 'neo-Europes' (United States, Canada, Australia, New Zealand); lat_abst, absolute latitude of the capital divided by 90; avexpr, average protection against expropriation risk over 1985-1995 (Political Risk Services, 0 to 10, higher means more protection); logpgp95, log GDP per capita in 1995, PPP basis (World Bank); logem4, log settler mortality (mortality of European settlers); loghjypl, log output per worker in 1988 (Hall and Jones); baseco, 1 for the former colonies in the paper's base sample and missing for every other country.","file_sha256":"cd3a1cb197e3065411fce6fabbe06161555468049e6810a28c608d6e361aed34","frame_sha256":null,"role":"agent","transforms":[]}},"epoch":1,"event":"sample_init","question":"Do institutions that protect property cause higher income? Among the former European colonies in the paper's base sample, estimate the causal effect of average protection against expropriation risk (1985-1995) on log GDP per capita in 1995, using a source of variation in institutions that is not driven by income itself.","question_sha256":"9eff619d95944bd0a2163ddee5df3144374073c153025a22e836bc62bd72ae4c","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":0,"skills":[],"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","task_sha256":"0a7f5ae8c4d24581f1f351f55ba5ea5f24b7d13858a9de96551201189f6d8c82","timestamp":"2026-10-15T12:41:00.393638Z"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":8417.071542004123,"raw_ref":"23a801786514e5bf298f535a356a51c418b6752bb82e88712c4a63fd390a7f7f","started_at":"2026-10-15T12:41:00.651773Z","usage":{"cached":0,"input":18430,"output":72,"thoughts":458}}],"call_id":"call_02ba1a7f","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":8417.071542004123,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will inspect the variables and sample summary for the base sample in `maketable4` to understand the data before estimating the model.","thoughts":"**My Analytical Strategy for Assessing the Impact of Property Rights on Income**\n\nOkay, here's the game plan. I'm tasked with examining the relationship between institutions that protect property rights and income levels, specifically within the framework of Acemoglu, Johnson, and Robinson's (2001) seminal work. The core question is: Does stronger protection against expropriation lead to higher income? And, crucially, I need to establish a *causal* effect, not just a correlation.\n\nI'm focusing on former European colonies from the original paper's \"base sample\" (`baseco == 1`). My treatment variable is the average protection against expropriation risk between 1985 and 1995 (`avexpr`), and my outcome is log GDP per capita in 1995 (`logpgp95`). The real challenge lies in finding a valid instrument. I need a variable that's correlated with property rights protection but *not* directly influenced by a country's income level. The text suggests using historical European settler mortality (`logem4`) as the instrument. This seems reasonable, as higher mortality might have led to less extractive institutions and therefore better property rights.\n\nMy immediate thought is to reach for instrumental variables (IV) estimation. The task mentions `infer__iv_2sls`, which is likely a 2-stage least squares (2SLS) implementation, the standard approach for this. Before I dive into the estimation, I'll need to double-check my understanding of the data (`maketable4`) and the variable definitions, just to be absolutely sure. Then I'll jump right into 2SLS, using settler mortality as my instrument for property rights protection. This seems like a straightforward application of classic IV methodology, a common approach for analyzing historical data of this kind.\n\n\n","tool_calls":[{"args":{"columns":["baseco","avexpr","logpgp95","logem4"],"dataset":"maketable4"},"llm_name":"data__describe","tool_id":"data.describe","vendor_id":"call_808495"}]},"response_id":"3cnQavDVJPrrz7IP5Kyp0AQ","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":1,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:00.393638Z","usage":{"cached":0,"input":18430,"output":72,"thoughts":458},"vendor":true}
{"arguments":{"columns":["baseco","avexpr","logpgp95","logem4"],"dataset":"maketable4"},"attempt":1,"cached":false,"call_id":"call_ba7d7e94","card_version":"0.1.0","code_version":"38e979372a0f","dataset_digests":{"maketable4":"dc8a5df19428e33e3bb4109922ccbd092a69bde0d19a217451baa154782debfc"},"decided_by":"model","duration_ms":1.413959078490734,"epoch":1,"error":null,"event":"tool","informed_by":[],"input_digest":"a76bb9bc0034f07e47c3313cc8b5e6dcd28c9db18a93e01a2d4c00f5c04f5d76","llm_name":"data__describe","output_digest":"8ad6fed425d54cd86bd1aa68551d1dda4f690b5aab7aa92d670d0c5136e3866b","rationale":"I will inspect the variables and sample summary for the base sample in `maketable4` to understand the data before estimating the model.","replay_class":"replayed","result":{"assumptions":[],"call_id":"call_ba7d7e94","datasets":{},"diagnostics":[],"figures":[{"ci_high":null,"ci_level":null,"ci_low":null,"derivation":null,"key":"n_rows","label":"Rows in the dataset","se":null,"unit":"rows","value":163.0}],"notes":"","reason":"","status":"ok","tables":{"columns":[{"column":"baseco","dtype":"float32","max":1.0,"mean":1.0,"min":1.0,"n_missing":99,"n_unique":1,"sd":0.0},{"column":"avexpr","dtype":"float32","max":10.0,"mean":7.06649138021075,"min":1.6363636255264282,"n_missing":42,"n_unique":80,"sd":1.804286796987983},{"column":"logpgp95","dtype":"float32","max":10.288749694824219,"mean":8.30250908233024,"min":6.10924768447876,"n_missing":15,"n_unique":138,"sd":1.1053422036053233},{"column":"logem4","dtype":"float32","max":7.9861650466918945,"mean":4.595983834102236,"min":0.9360933303833008,"n_missing":76,"n_unique":44,"sd":1.3033334764007718}]},"tool":"data.describe","version":"0.1.0","warnings":[]},"result_for_model_ref":"f93c8ad9ec6a23c4ec3ff8ce6596c828eb6b5d19c2d4ebe07a25c8a3c2ba9fdd","result_sha256":"d112fee6bcff60e8df5eef7ab0fbcc0415bd74a571a62dd8b33d0ccd4cc99792","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":2,"synthetic":false,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:09.072923Z","tool_id":"data.describe","turn_id":"call_02ba1a7f"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":6320.265792077407,"raw_ref":"720eeda26535bc526e7abcf17c8ec69cda9345942fc2882fd672a1daf22701c5","started_at":"2026-10-15T12:41:09.084936Z","usage":{"cached":16712,"input":19672,"output":107,"thoughts":233}}],"call_id":"call_63688480","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":6320.265792077407,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will estimate the effect of expropriation protection on log GDP per capita via two-stage least squares (2SLS) using log settler mortality as the instrument, for the base sample of former colonies (`baseco == 1`).","thoughts":"**Analyzing the AJR 2001 Replication**\n\nOkay, here's what's running through my head as I look at this data. First thing I'm noticing is that the `baseco` variable is equal to 1 for 64 rows. Bingo! That immediately clicks, confirming that this is the 64-country base sample used in Table 4 of AJR (2001). That's a good starting point. Now, let's get into the heart of the matter: checking the instrument and the 2SLS regression.\n\nSpecifically, I need to focus on the endogenous regressor, `avexpr`, instrument `logem4`, and the outcome variable `logpgp95`, all within that critical `baseco == 1` subset. Wait a minute... shouldn't I also throw in an OLS regression as a benchmark for comparison? Absolutely. It\u2019s always a good idea to have that point of reference.\n\nRight, let's look at the tool description for `infer__iv_2sls` here; it's designed for exactly this. It\u2019s a two-stage least squares estimator, perfect for identifying the effect of an endogenous regressor using excluded instruments. It spits out the first stage results, along with the all-important F statistic, and, if we're overidentified, the Sargan test. And the documentation wisely recommends running `infer.ols` afterward, which I\u2019ll keep in mind for scaling effects as well.\n\nSo, let's get the ball rolling and run `infer__iv_2sls`. I\u2019ll set the outcome to be `y='logpgp95'`, the endogenous variable will be `endog=['avexpr']`, the instrument will be `instruments=['logem4']`, and the subset is going to be `subset='baseco == 1'`. Let\u2019s see what comes out of that.\n\n\n","tool_calls":[{"args":{"dataset":"maketable4","endog":["avexpr"],"instruments":["logem4"],"subset":"baseco == 1","y":"logpgp95"},"llm_name":"infer__iv_2sls","tool_id":"infer.iv_2sls","vendor_id":"call_576472"}]},"response_id":"5cnQav6FI-7rz7IP0KaR4AQ","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":3,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:09.074494Z","usage":{"cached":16712,"input":19672,"output":107,"thoughts":233},"vendor":true}
{"arguments":{"cluster":null,"dataset":"maketable4","endog":["avexpr"],"exog":[],"instruments":["logem4"],"level":0.95,"se":"HC1","subset":"baseco == 1","y":"logpgp95"},"attempt":1,"cached":false,"call_id":"call_0f97b69d","card_version":"0.1.0","code_version":"38e979372a0f","dataset_digests":{"maketable4":"dc8a5df19428e33e3bb4109922ccbd092a69bde0d19a217451baa154782debfc"},"decided_by":"model","duration_ms":4.557000007480383,"epoch":1,"error":null,"event":"tool","informed_by":[],"input_digest":"70854ae34a746e95ae381fb720861ec816b0d19e54dfa0d6edaf9892c7216e36","llm_name":"infer__iv_2sls","output_digest":"d2089d400d1b33356936b80ef8568bcde51f2684a752f314394338e29ddcdfc5","rationale":"I will estimate the effect of expropriation protection on log GDP per capita via two-stage least squares (2SLS) using log settler mortality as the instrument, for the base sample of former colonies (`baseco == 1`).","replay_class":"replayed","result":{"assumptions":["the instruments affect the outcome only through the endogenous regressors (exclusion restriction)","the instruments are as good as randomly assigned given the controls","errors are independent across observations; their variance may differ"],"call_id":"call_0f97b69d","datasets":{},"diagnostics":[{"flag":false,"name":"first_stage_F.avexpr","note":"Wald F of the excluded instruments in the first stage for avexpr (heteroskedasticity-robust standard errors (HC1))","value":16.32061844215525},{"flag":false,"name":"partial_r2.avexpr","note":"share of the variation the instruments explain beyond the controls","value":0.2701313941078145},{"flag":false,"name":"weak_instrument","note":"every first-stage F is at least 10","value":false},{"flag":false,"name":"n_obs","note":"","value":64},{"flag":false,"name":"se_type","note":"heteroskedasticity-robust standard errors (HC1)","value":"HC1"},{"flag":false,"name":"n_clusters","note":"errors not clustered","value":null}],"figures":[{"ci_high":1.301922411627538,"ci_level":0.95,"ci_low":0.5866363586820607,"derivation":{"note_pt":"","steps":[{"formula":"\u03b2 = \u03c1 / \u03c0","result":0.9442793851547994,"terms":[{"note":"forma reduzida","symbol":"\u03c1","unit":"","value":-0.5729681917341751},{"note":"primeiro est\u00e1gio","symbol":"\u03c0","unit":"","value":-0.6067782488338938}],"text_pt":"Com um instrumento e um regressor end\u00f3geno, o MQ2E \u00e9 a raz\u00e3o entre o coeficiente de logem4 na forma reduzida (logpgp95 sobre logem4) e no primeiro est\u00e1gio (avexpr sobre logem4).","unit":""},{"formula":"ep = \u221aV_jj","result":0.17891351798924446,"terms":[{"note":"diagonal da matriz de covari\u00e2ncia","symbol":"V_jj","unit":"","value":0.0320100469192877}],"text_pt":"Erro-padr\u00e3o robusto \u00e0 heterocedasticidade (HC1): a raiz da vari\u00e2ncia estimada do coeficiente.","unit":""},{"formula":"IC = \u03b2 \u00b1 c \u00b7 ep","result":null,"terms":[{"note":"","symbol":"\u03b2","unit":"","value":0.9442793851547994},{"note":"quantil 0.975","symbol":"c","unit":"","value":1.9989715170333786},{"note":"","symbol":"ep","unit":"","value":0.17891351798924446}],"text_pt":"Intervalo de 95% de confian\u00e7a: a estimativa mais ou menos o valor cr\u00edtico da distribui\u00e7\u00e3o t de Student com 62 graus de liberdade vezes o erro-padr\u00e3o.","unit":""}]},"key":"coef.avexpr","label":"2SLS effect of avexpr on logpgp95","se":0.17891351798924446,"unit":"","value":0.9442793851547994}],"notes":"","reason":"","status":"ok","tables":{"coefficients":[{"ci_high":4.293917992701939,"ci_low":-0.47458491160845706,"coef":1.909666540546741,"p":0.11444349079561447,"se":1.1927390819923254,"t":1.601076521578278,"term":"Intercept"},{"ci_high":1.301922411627538,"ci_low":0.5866363586820607,"coef":0.9442793851547994,"p":1.7722510641748919e-06,"se":0.17891351798924446,"t":5.277853768498172,"term":"avexpr"}],"first_stage":[{"ci_high":-0.3065384195674211,"ci_low":-0.9070180781003664,"coef":-0.6067782488338938,"endog":"avexpr","instrument":"logem4","p":0.00014986892666534062,"se":0.15019715223959304,"t":-4.039878518242256}],"reduced_form":[{"ci_high":-0.42710584400315166,"ci_low":-0.7188305394651986,"coef":-0.5729681917341751,"instrument":"logem4","p":7.141770691068322e-11,"se":0.07296869739669624,"t":-7.852246403950703}]},"tool":"infer.iv_2sls","version":"0.1.0","warnings":[]},"result_for_model_ref":"16510b50ed8b3230ed948b2dcc1ddc336e02ab6d305108b95964fc7310a5d71a","result_sha256":"b0cc8405f907cad097e8070b8c46c1c9b7050328d8c6d8ccf7ed9fe1ef1559c7","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":4,"synthetic":false,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:15.408299Z","tool_id":"infer.iv_2sls","turn_id":"call_63688480"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":6090.655709151179,"raw_ref":"d487fb7993e5988a258a9e041541559178b6b8bccfebed2df8af34873cb23b12","started_at":"2026-10-15T12:41:15.424316Z","usage":{"cached":18197,"input":21097,"output":78,"thoughts":226}}],"call_id":"call_f4a11607","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":6090.655709151179,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62","d61edaf1bf92c25d81aff0ae8ce93a45d44ef66f16f6b59ce63d9c32107991f6","16b72014a8105587141e85c4ae0bb0c516678cd955b7c0ddcc7d1d78ecaacace"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3","77936f6c50ca37aa39e1dc9b73c4b27bf407410d7dc949ab1215659b312b814e","0b491240b73d92089dd1bbbe75b09715e0792270ecad63ebbea830a325cf709f"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will run an OLS regression of log GDP per capita on protection against expropriation risk in the same sample for comparison with the 2SLS estimate.","thoughts":"**My Analysis of the Instrumental Variables Regression Results**\n\nOkay, let's break down this `infer__iv_2sls` output. I see the Two-Stage Least Squares (2SLS) estimate for the coefficient of my endogenous variable, `coef.avexpr`, is 0.944279. The standard error is 0.178914, giving me a 95% confidence interval of [0.586636, 1.30192]. That t-statistic of 5.28 and the p-value of 1.77e-06 are definitely statistically significant, which is what I would expect with that narrow interval, given the size of the coefficient.\n\nNow, looking at the first stage, the coefficient on `logem4` is -0.606778, with a standard error of 0.150197, and a t-statistic of -4.04. The first-stage F-statistic is 16.32, which is reassuringly above the critical value of 10. That's a good indication that the instrument is reasonably strong, which is reflected in the partial R-squared of 0.27. The weak instrument test confirmed my suspicion by returning a `false` value.\n\nFinally, I have a sample size of 64 observations.\n\nGiven the common practice in this field, I should probably run an OLS regression as a comparison point. That should give me a good baseline, allowing me to further probe the impact of potential endogeneity issues. I will also be sure to check for scale effects.\n\n\n","tool_calls":[{"args":{"dataset":"maketable4","subset":"baseco == 1","x":["avexpr"],"y":"logpgp95"},"llm_name":"infer__ols","tool_id":"infer.ols","vendor_id":"call_530275"}]},"response_id":"68nQasLhN7Csz7IPrO7G2A8","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":5,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:15.413128Z","usage":{"cached":18197,"input":21097,"output":78,"thoughts":226},"vendor":true}
{"arguments":{"cluster":null,"controls":[],"dataset":"maketable4","fe":[],"intercept":true,"level":0.95,"se":"HC1","subset":"baseco == 1","weights":null,"x":["avexpr"],"y":"logpgp95"},"attempt":1,"cached":false,"call_id":"call_233c60dd","card_version":"0.1.0","code_version":"38e979372a0f","dataset_digests":{"maketable4":"dc8a5df19428e33e3bb4109922ccbd092a69bde0d19a217451baa154782debfc"},"decided_by":"model","duration_ms":3.212207928299904,"epoch":1,"error":null,"event":"tool","informed_by":[],"input_digest":"3499742ccd230285fd599f12e0d46ce95643cffa9b773c573b38a0ff8fca8cfe","llm_name":"infer__ols","output_digest":"15f3fa79a979a8c866b7532a6d2c959cd17758bcccfef07b6f0dc1b57e452a17","rationale":"I will run an OLS regression of log GDP per capita on protection against expropriation risk in the same sample for comparison with the 2SLS estimate.","replay_class":"replayed","result":{"assumptions":["the conditional mean of the outcome is linear in the regressors","errors are independent across observations; their variance may differ"],"call_id":"call_233c60dd","datasets":{},"diagnostics":[{"flag":false,"name":"n_obs","note":"observations used","value":64},{"flag":false,"name":"k","note":"parameters estimated, fixed-effect dummies included","value":2},{"flag":false,"name":"r2","note":"","value":0.5401149553120992},{"flag":false,"name":"df_resid","note":"","value":62},{"flag":false,"name":"se_type","note":"heteroskedasticity-robust standard errors (HC1)","value":"HC1"},{"flag":false,"name":"n_clusters","note":"errors not clustered","value":null}],"figures":[{"ci_high":0.6219007378785918,"ci_level":0.95,"ci_low":0.42231332157059037,"derivation":{"note_pt":"","steps":[{"formula":"","result":0.5221070297245911,"terms":[{"note":"","symbol":"n","unit":"observa\u00e7\u00f5es","value":64.0},{"note":"","symbol":"k","unit":"par\u00e2metros","value":2.0}],"text_pt":"Coeficiente de avexpr na regress\u00e3o por m\u00ednimos quadrados ordin\u00e1rios de logpgp95.","unit":""},{"formula":"ep = \u221aV_jj","result":0.04992252631098114,"terms":[{"note":"diagonal da matriz de covari\u00e2ncia","symbol":"V_jj","unit":"","value":0.002492258633270604}],"text_pt":"Erro-padr\u00e3o robusto \u00e0 heterocedasticidade (HC1): a raiz da vari\u00e2ncia estimada do coeficiente.","unit":""},{"formula":"IC = \u03b2 \u00b1 c \u00b7 ep","result":null,"terms":[{"note":"","symbol":"\u03b2","unit":"","value":0.5221070297245911},{"note":"quantil 0.975","symbol":"c","unit":"","value":1.9989715170333786},{"note":"","symbol":"ep","unit":"","value":0.04992252631098114}],"text_pt":"Intervalo de 95% de confian\u00e7a: a estimativa mais ou menos o valor cr\u00edtico da distribui\u00e7\u00e3o t de Student com 62 graus de liberdade vezes o erro-padr\u00e3o.","unit":""}]},"key":"coef.avexpr","label":"Coefficient on avexpr in the regression of logpgp95","se":0.04992252631098114,"unit":"","value":0.5221070297245911}],"notes":"","reason":"","status":"ok","tables":{"coefficients":[{"ci_high":5.300317041930751,"ci_low":4.020449555298915,"coef":4.660383298614833,"p":1.1355641347475712e-21,"se":0.3201314965536011,"t":14.557715653681464,"term":"Intercept"},{"ci_high":0.6219007378785918,"ci_low":0.42231332157059037,"coef":0.5221070297245911,"p":2.5665704437506074e-15,"se":0.04992252631098114,"t":10.458345526671526,"term":"avexpr"}]},"tool":"infer.ols","version":"0.1.0","warnings":[]},"result_for_model_ref":"6449068032e317e7ae3ad08597b3ce15909625b462a92cc42fa69ca0efb09a92","result_sha256":"5e13ee1b8ceb35211a24b32059eacef4a76f9cfde43d02ff645ee83a643f1584","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":6,"synthetic":false,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:21.518312Z","tool_id":"infer.ols","turn_id":"call_f4a11607"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":14081.043915823102,"raw_ref":"fd5b4cc0248dfe9d31c23d72f9b8c404dd5eea5d2e88ef34ae2f1f1341a4c829","started_at":"2026-10-15T12:41:21.532956Z","usage":{"cached":18469,"input":22179,"output":74,"thoughts":240}}],"call_id":"call_199d2575","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":14081.043915823102,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62","d61edaf1bf92c25d81aff0ae8ce93a45d44ef66f16f6b59ce63d9c32107991f6","16b72014a8105587141e85c4ae0bb0c516678cd955b7c0ddcc7d1d78ecaacace","59eaa64f313b5426615c327d8ee9a96a58f97680760203dfafd9b7552a533797","5350a59f3eac22192db133702edfd06d29f139b64cee7dda50f91e290cfd37df"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3","77936f6c50ca37aa39e1dc9b73c4b27bf407410d7dc949ab1215659b312b814e","0b491240b73d92089dd1bbbe75b09715e0792270ecad63ebbea830a325cf709f","bc2227ab3a26183e97ef18f0ae346ce894d555b440accf23fa22e03b4c4f7f7e","3c244c52d778214aafb12e7889b84d8aacead1169e94bd6a88b190858badedb8"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will transform the estimated 2SLS effect from log points into a percentage change in GDP per capita using `core.scale_effect`.","thoughts":"**Scaling the 2SLS Coefficient**\n\nOkay, let's see if we can get a handle on this 2SLS coefficient. I want to understand the magnitude \u2013 can we convert this into a more interpretable percent or scale effect? Right, time to dig into the `core.scale_effect` function. Wait, before I run that, let's just make sure I have the relevant skills loaded, or maybe just refresh my memory on what `core.scale_effect` actually *does*.\n\nAh, here it is: \"Converts an estimated coefficient into a percent effect...\". Perfect. Now, the outcome variable, `logpgp95`, is *log* GDP per capita. So, a one-unit increase in `avexpr` translates to a 0.944 *log point* change in GDP per capita. Okay, let's get this in percentage terms. That's just 100 times `(exp(0.944) - 1)`.\n\nAlright, let's try `core.scale_effect` with `transform='log_points_to_percent'`. The question is, can this function work on `call_0f97b69d:coef.avexpr`? Time to call `core.scale_effect` and see what we get!\n\n\n","tool_calls":[{"args":{"coefficient":"call_0f97b69d:coef.avexpr","transform":"log_points_to_percent"},"llm_name":"core__scale_effect","tool_id":"core.scale_effect","vendor_id":"call_521311"}]},"response_id":"8snQaomZBIDUz7IPjovqOA","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":7,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:21.521760Z","usage":{"cached":18469,"input":22179,"output":74,"thoughts":240},"vendor":true}
{"arguments":{"baseline":null,"coefficient":"call_0f97b69d:coef.avexpr","sd":null,"transform":"log_points_to_percent"},"attempt":1,"cached":false,"call_id":"call_ac13a82c","card_version":"0.1.0","code_version":"38e979372a0f","dataset_digests":{},"decided_by":"model","duration_ms":0.30491710640490055,"epoch":1,"error":null,"event":"tool","informed_by":[],"input_digest":"87b97f26f9b2ccbd9ff3b01f87af612e23eeea1618618dfc858785b32b4d62ff","llm_name":"core__scale_effect","output_digest":"4a69bffba3eecd449d6937f0394e97b1adeb255ba928ca4e144a7e2b0cf9469f","rationale":"I will transform the estimated 2SLS effect from log points into a percentage change in GDP per capita using `core.scale_effect`.","replay_class":"replayed","result":{"assumptions":["the coefficient is on a log outcome, in log points (natural logarithm)"],"call_id":"call_ac13a82c","datasets":{},"diagnostics":[{"flag":false,"name":"transform","note":"","value":"log_points_to_percent"}],"figures":[{"ci_high":267.6357350793184,"ci_level":0.95,"ci_low":79.7930639231359,"derivation":{"note_pt":"","steps":[{"formula":"b_inf_pct = 100 \u00d7 (exp(b_inf) \u2212 1)","result":79.7930639231359,"terms":[{"note":"","symbol":"b_inf","unit":"","value":0.5866363586820607}],"text_pt":"O limite inferior do intervalo de 95% passa pela mesma fun\u00e7\u00e3o: como ela \u00e9 crescente, o intervalo transformado extremo a extremo mant\u00e9m o n\u00edvel.","unit":"%"},{"formula":"b_sup_pct = 100 \u00d7 (exp(b_sup) \u2212 1)","result":267.6357350793184,"terms":[{"note":"","symbol":"b_sup","unit":"","value":1.301922411627538}],"text_pt":"O limite superior do intervalo de 95% passa pela mesma fun\u00e7\u00e3o: como ela \u00e9 crescente, o intervalo transformado extremo a extremo mant\u00e9m o n\u00edvel.","unit":"%"},{"formula":"pct = 100 \u00d7 (exp(b) \u2212 1)","result":157.09600389260225,"terms":[{"note":"call_0f97b69d:coef.avexpr","symbol":"b","unit":"","value":0.9442793851547994}],"text_pt":"Um coeficiente em pontos logar\u00edtmicos vira varia\u00e7\u00e3o percentual por exp(b) \u2212 1; b \u00d7 100 s\u00f3 \u00e9 pr\u00f3ximo disso para efeitos pequenos.","unit":"%"}]},"key":"effect","label":"Effect as a percent change (from log points): 2SLS effect of avexpr on logpgp95","se":null,"unit":"%","value":157.09600389260225}],"notes":"","reason":"","status":"ok","tables":{},"tool":"core.scale_effect","version":"0.1.0","warnings":["the standard error is not carried: a percent effect is a nonlinear function of b, so only the interval, transformed endpoint by endpoint, keeps its meaning"]},"result_for_model_ref":"f93fe85019a57ef3c68e3f70b9107d2148a26ff8d2114127d6c1665b724592ae","result_sha256":"11ee1a7d9e43d12034d4cc3dd5974bb6723bff3ecb6b2bf569e07ebc7dbbefa6","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":8,"synthetic":false,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:35.619154Z","tool_id":"core.scale_effect","turn_id":"call_199d2575"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":4548.3605419285595,"raw_ref":"88326b98fe1e3663aebeb7e514218bc3c326b4b7c76f4bf9ef15bec4c7fced74","started_at":"2026-10-15T12:41:35.633927Z","usage":{"cached":20266,"input":22964,"output":38,"thoughts":38}}],"call_id":"call_29e6d78d","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":4548.3605419285595,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62","d61edaf1bf92c25d81aff0ae8ce93a45d44ef66f16f6b59ce63d9c32107991f6","16b72014a8105587141e85c4ae0bb0c516678cd955b7c0ddcc7d1d78ecaacace","59eaa64f313b5426615c327d8ee9a96a58f97680760203dfafd9b7552a533797","5350a59f3eac22192db133702edfd06d29f139b64cee7dda50f91e290cfd37df","93a90ffe6f373a4813e718b3a7e8a03e483f0379bc50943952368b7ff653de62","346fe87452db925116baafb7b013261ad475fbb706d7f5de5bdf1cc131c0c65f"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3","77936f6c50ca37aa39e1dc9b73c4b27bf407410d7dc949ab1215659b312b814e","0b491240b73d92089dd1bbbe75b09715e0792270ecad63ebbea830a325cf709f","bc2227ab3a26183e97ef18f0ae346ce894d555b440accf23fa22e03b4c4f7f7e","3c244c52d778214aafb12e7889b84d8aacead1169e94bd6a88b190858badedb8","9bc4ea4179c419e641806efc47c92bf378fcf0a8bdd3072e1128d920813496d4","fbf768dd1673127eaf355a5e3635c8ed9c6443475f00631534f49a3329e46d9d"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will load the instrumental variables skill to review identification diagnostics and best practices for reporting IV results.","thoughts":"Okay, here's my take on those thoughts, tailored for an expert audience:\n\n**Considering Skill Granularity and Discoverability**\n\nRight, so I'm thinking about how we're structuring these skill guidelines. It's crucial to ensure we're both comprehensive *and* granular enough to be truly useful. We've defined some skills, but are we being too broad in our categorization? I'm wondering, for instance, if there are other, more specialized skills that warrant their own explicit guidelines and calls. We already have the foundational ones, but perhaps there are other sub-skills at play, for example, `load_skill('instrumental-variables')` or `load_skill('reporting-numbers')`. If we can clearly modularize and define these, it'll assist in providing a smoother and more robust user experience for complex tasks. It also improves searchability and reusability of modules. Are there other obvious edge cases where this might be relevant?\n\n\n","tool_calls":[{"args":{"name":"instrumental-variables"},"llm_name":"load_skill","tool_id":null,"vendor_id":"call_430244"}]},"response_id":"AMrQarHvCeOFz7IP5_Og6AQ","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":9,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:35.619653Z","usage":{"cached":20266,"input":22964,"output":38,"thoughts":38},"vendor":true}
{"attempt":1,"body_ref":"eea729aaf4e11c70b13d473438dadbc1b53cc2def87e06b7c4c4ff7867d2f4b0","call_id":"call_1dd6c30b","epoch":1,"event":"skill","name":"instrumental-variables","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":10,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:40.185610Z","turn_id":"call_29e6d78d"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":4069.5538339205086,"raw_ref":"1b3949eb24ed6f61dd6c2e62e64141ab2692d2ec0c48cc46a74c7b06a38ca971","started_at":"2026-10-15T12:41:40.196617Z","usage":{"cached":20944,"input":23732,"output":36,"thoughts":11}}],"call_id":"call_adad72d3","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":4069.5538339205086,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62","d61edaf1bf92c25d81aff0ae8ce93a45d44ef66f16f6b59ce63d9c32107991f6","16b72014a8105587141e85c4ae0bb0c516678cd955b7c0ddcc7d1d78ecaacace","59eaa64f313b5426615c327d8ee9a96a58f97680760203dfafd9b7552a533797","5350a59f3eac22192db133702edfd06d29f139b64cee7dda50f91e290cfd37df","93a90ffe6f373a4813e718b3a7e8a03e483f0379bc50943952368b7ff653de62","346fe87452db925116baafb7b013261ad475fbb706d7f5de5bdf1cc131c0c65f","8dae2e342468a3f380fd04303bd43accfce8c5171b15a5a1d83860d65c1ea1a6","5873424a700a86e94c52f386da2830d4a6a35db7f69228d972dd00bba6a008d6"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3","77936f6c50ca37aa39e1dc9b73c4b27bf407410d7dc949ab1215659b312b814e","0b491240b73d92089dd1bbbe75b09715e0792270ecad63ebbea830a325cf709f","bc2227ab3a26183e97ef18f0ae346ce894d555b440accf23fa22e03b4c4f7f7e","3c244c52d778214aafb12e7889b84d8aacead1169e94bd6a88b190858badedb8","9bc4ea4179c419e641806efc47c92bf378fcf0a8bdd3072e1128d920813496d4","fbf768dd1673127eaf355a5e3635c8ed9c6443475f00631534f49a3329e46d9d","4421871422cdf33ca8ffe70daa080c1702972acfce3eb84062c87db85ef5a4d8","af1dcbbcc01acb0e395a5fb7a956d7358f3087bceaa8afd32547fa761748fb22"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"I will load the reporting-numbers skill to review the standards for formulating the final answer.","thoughts":"Okay, here's my take on those thoughts, tailored for an expert audience:\n\n**Loading the \"reporting-numbers\" Skill**\n\nAlright, time to get down to brass tacks. I'm initiating the load sequence for the `reporting-numbers` skill. Given my existing expertise, I know exactly what this entails. I anticipate this skill is built to ingest raw data, likely from various sources - perhaps databases, APIs, or flat files - and transform it into readily consumable numerical reports. My immediate mental checklist includes considerations for data validation, error handling, aggregation methods (SUM, AVERAGE, COUNT, etc.), and the ultimate output format \u2013 are we talking tables, charts, dashboards, or something else entirely? The nuances of this specific implementation will determine the optimal strategy for integration. I'm keen to see if this skill leverages any pre-built reporting libraries or if it takes a more custom approach to data manipulation. Let's see what we've got.\n\n\n","tool_calls":[{"args":{"name":"reporting-numbers"},"llm_name":"load_skill","tool_id":null,"vendor_id":"call_647813"}]},"response_id":"BMrQaqqSK6_sz7IP-6Gt-Ag","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":11,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:40.185620Z","usage":{"cached":20944,"input":23732,"output":36,"thoughts":11},"vendor":true}
{"attempt":1,"body_ref":"86ff9a038fae4197462dd59d58f7a565dd9bb75ee651e10fd077f2205229846b","call_id":"call_99fb806a","epoch":1,"event":"skill","name":"reporting-numbers","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":12,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:44.270960Z","turn_id":"call_adad72d3"}
{"attempt":1,"attempts":[{"config_ref":"8ee0d84c29b117269608a8edad648afadcb20e12f00a5d88b7d64223f4b057e2","discarded":false,"error":null,"finish_reason":"STOP","latency_ms":17616.27579201013,"raw_ref":"2f37064f98c3f8f3f0a11719d25b38230d0262c6baa30499c84b2e9f3ffe88f6","started_at":"2026-10-15T12:41:44.285495Z","usage":{"cached":21694,"input":24435,"output":502,"thoughts":1438}}],"call_id":"call_4bd5f574","epoch":1,"event":"model","finish_reason":"STOP","latency_ms":17616.27579201013,"model_reported":"gemini-3.8-flash","model_requested":"gemini-3.8-flash","provider":"gemini","request":{"config":{"automatic_function_calling":{"disable":true,"maximum_remote_calls":10},"max_output_tokens":32000,"seed":null,"temperature":null,"thinking_config":{"include_thoughts":true},"tool_config":{"function_calling_config":{"mode":"AUTO"}},"top_k":null,"top_p":null},"contents_refs":["9f9cff3a13dc37b0191f980f525bdee19a99e81c2409d7f0d215cdf5e0b8a1f9","bc961669c5d2b64a7d68d1e89ccfe3fc9300e649f77108b0ca328c4e35f0aa45","2d33567011c31dc5f3aaef0253038faad2016b9e2ce093c0b3c4d5c1a13e0c62","d61edaf1bf92c25d81aff0ae8ce93a45d44ef66f16f6b59ce63d9c32107991f6","16b72014a8105587141e85c4ae0bb0c516678cd955b7c0ddcc7d1d78ecaacace","59eaa64f313b5426615c327d8ee9a96a58f97680760203dfafd9b7552a533797","5350a59f3eac22192db133702edfd06d29f139b64cee7dda50f91e290cfd37df","93a90ffe6f373a4813e718b3a7e8a03e483f0379bc50943952368b7ff653de62","346fe87452db925116baafb7b013261ad475fbb706d7f5de5bdf1cc131c0c65f","8dae2e342468a3f380fd04303bd43accfce8c5171b15a5a1d83860d65c1ea1a6","5873424a700a86e94c52f386da2830d4a6a35db7f69228d972dd00bba6a008d6","ad0206ec4f542bd32ba442c44c7d4a36a4d88fb351f7899e0ddd7164cbd8eefd","1eb67276aa521446b88b1625f3b77ee14d87591cf5e01a3773c1196dca6caffa"],"messages_refs":["bc24c35350ca957486af0b86f148b4fb343232d4afa49a3a5d249ac673143de9","202164bbfe1d861cc8045b7b4682a3a1776628fdfdbc917361d223df326ddb99","8e773741a6d9ba66da835603fa5dae70bc7e0c3193aabd80e06e98e6b93167c3","77936f6c50ca37aa39e1dc9b73c4b27bf407410d7dc949ab1215659b312b814e","0b491240b73d92089dd1bbbe75b09715e0792270ecad63ebbea830a325cf709f","bc2227ab3a26183e97ef18f0ae346ce894d555b440accf23fa22e03b4c4f7f7e","3c244c52d778214aafb12e7889b84d8aacead1169e94bd6a88b190858badedb8","9bc4ea4179c419e641806efc47c92bf378fcf0a8bdd3072e1128d920813496d4","fbf768dd1673127eaf355a5e3635c8ed9c6443475f00631534f49a3329e46d9d","4421871422cdf33ca8ffe70daa080c1702972acfce3eb84062c87db85ef5a4d8","af1dcbbcc01acb0e395a5fb7a956d7358f3087bceaa8afd32547fa761748fb22","514f9d4a6a73b825cd1eb586ceb6e4ed35ff349ad5113b0e6990697376f15e46","786efe53df0bdc36fedda6bbca951c74f7c2f9ea8a9ed92d31e8ae590246243a"],"system_stable_ref":"265d63d091732725cd5b15f51e1686b68b6b276ae88794f6120dc818830a2a97","system_task_ref":"438237559235ba9eff244483d2a91d6ac5399b4d63eb2c6383096d4de95e77e5","tools_ref":"a44ef51f03df5188f084f1e0227b68df116b942a22fd50c0a88670cf3461fedd"},"response":{"text":"","thoughts":"**My Analysis of the Causal Effect of Property Rights on Income**\n\nOkay, let's break this down. The core question is: do institutions that protect property lead to higher income? Specifically, we're looking at former European colonies and estimating the causal impact of average protection against expropriation risk between 1985 and 1995 on log GDP per capita in 1995, using a variation in institutions that's independent of income itself. The question's in English, so the answer will be too.\n\nRight, the approach here is instrumental variables (IV) with a two-stage least squares (2SLS) framework. We're using the average protection against expropriation risk (`avexpr`) as our endogenous variable representing institutional quality, and the log GDP per capita in 1995 (`logpgp95`) as the outcome. The instrument is historical European settler mortality in log terms (`logem4`), following the logic established by Acemoglu, Johnson, and Robinson (2001). The dataset consists of 64 former European colonies (`baseco == 1`).\n\nLet's review the results, which seem pretty robust. First, that first stage is strong; the F-statistic is 16.32, which is well above the conventional threshold of 10. The first-stage coefficient of log settler mortality is -0.607 (with a standard error of 0.150). So, mortality strongly and negatively predicts institutional quality.\n\nNow, the 2SLS results are what we're after. The estimated coefficient on `avexpr` is 0.944 (with a standard error of 0.179). The 95% confidence interval is [0.587, 1.302]. The core.scale_effect converts this to a 157.10% increase in GDP per capita (95% CI: [79.79%, 267.64%]).\n\nFor comparison, the OLS estimate is 0.522 (standard error of 0.050) with a 95% confidence interval [0.422, 0.622]. This 2SLS estimate is notably larger, which they attribute to attenuation bias from measurement error in institutional quality and possible biases in OLS.\n\nOf course, we need to be mindful of the assumptions. The exclusion restriction demands that European settler mortality only affects contemporary income through its influence on institutions. Other potential channels, like current disease environments, geography, or early human capital investments, must be negligible. Also, let's keep in mind this is only for the 64 former colonies in the base sample.\n\nSo, summing it up, a 1-point increase in the protection against expropriation index increases log GDP per capita by 0.944 log points, or a 157.10% increase in GDP per capita. That should be a good, concise answer.\n\n\n","tool_calls":[{"args":{"answer":"Yes, institutions protecting property rights have a positive and statistically significant causal effect on income. \n\nUsing historical European settler mortality (`logem4`) as an instrumental variable for average protection against expropriation risk (`avexpr`) in a two-stage least squares (2SLS) regression among the 64 former colonies in the base sample (`baseco == 1`):\n\n- **First stage**: Settler mortality strongly and negatively predicts institutional quality (coefficient of -0.606778, SE = 0.150197). The first-stage Wald F-statistic is 16.32, which is above the conventional threshold of 10, indicating a strong instrument.\n- **2SLS causal estimate**: A 1-point increase in average protection against expropriation risk increases 1995 log GDP per capita by 0.944 log points (SE = 0.179; 95% CI: [0.587, 1.302]).\n- **Economic magnitude**: Transforming this effect from log points, a 1-point improvement in expropriation protection increases GDP per capita by approximately 157.10% (95% CI: [79.79%, 267.64%]).\n- **Comparison with OLS**: The corresponding OLS estimate is 0.522 (SE = 0.050; 95% CI: [0.422, 0.622]). The 2SLS estimate is larger than OLS, which is consistent with attenuation bias from measurement error in institutional quality dampening the OLS coefficient.","caveats":["The exclusion restriction relies on the assumption that historical European settler mortality affects modern GDP per capita solely through its persistent effect on institutions, and not directly via modern health/disease environments or geography.","The causal estimate applies specifically to the 64 former colonies in the base sample for which historical mortality and institutional data were available."],"figure_refs":["call_0f97b69d:coef.avexpr","call_ac13a82c:effect","call_233c60dd:coef.avexpr"]},"llm_name":"submit_answer","tool_id":null,"vendor_id":"call_596435"}]},"response_id":"CMrQaqeuMrKJz7IPlPqY-QQ","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":13,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:41:44.270975Z","usage":{"cached":21694,"input":24435,"output":502,"thoughts":1438},"vendor":true}
{"attempt":1,"call_id":"call_808e3be1","epoch":1,"event":"guard","numbers_found":["64","1","-0.606778","0.150197","16.32","10","1","1995","0.944","0.179","95%","0.587","1.302","1","157.10%","95%","79.79%","267.64%","0.522","0.050","95%","0.422","0.622","64"],"retries_left":1,"run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":14,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.908559Z","turn_id":"call_4bd5f574","unbacked":[],"uncited":[],"verdict":"accepted"}
{"answer":"Yes, institutions protecting property rights have a positive and statistically significant causal effect on income. \n\nUsing historical European settler mortality (`logem4`) as an instrumental variable for average protection against expropriation risk (`avexpr`) in a two-stage least squares (2SLS) regression among the 64 former colonies in the base sample (`baseco == 1`):\n\n- **First stage**: Settler mortality strongly and negatively predicts institutional quality (coefficient of -0.606778, SE = 0.150197). The first-stage Wald F-statistic is 16.32, which is above the conventional threshold of 10, indicating a strong instrument.\n- **2SLS causal estimate**: A 1-point increase in average protection against expropriation risk increases 1995 log GDP per capita by 0.944 log points (SE = 0.179; 95% CI: [0.587, 1.302]).\n- **Economic magnitude**: Transforming this effect from log points, a 1-point improvement in expropriation protection increases GDP per capita by approximately 157.10% (95% CI: [79.79%, 267.64%]).\n- **Comparison with OLS**: The corresponding OLS estimate is 0.522 (SE = 0.050; 95% CI: [0.422, 0.622]). The 2SLS estimate is larger than OLS, which is consistent with attenuation bias from measurement error in institutional quality dampening the OLS coefficient.\n\nRessalvas: The exclusion restriction relies on the assumption that historical European settler mortality affects modern GDP per capita solely through its persistent effect on institutions, and not directly via modern health/disease environments or geography. The causal estimate applies specifically to the 64 former colonies in the base sample for which historical mortality and institutional data were available.","answer_figure":{"call_id":"call_0f97b69d","ci_high":1.301922411627538,"ci_low":0.5866363586820607,"formatted":0.9442793851547994,"key":"coef.avexpr","ref":"call_0f97b69d:coef.avexpr","se":0.17891351798924446,"tool_id":"infer.iv_2sls","unit":"","value":0.9442793851547994},"attempt":1,"caveats":["The exclusion restriction relies on the assumption that historical European settler mortality affects modern GDP per capita solely through its persistent effect on institutions, and not directly via modern health/disease environments or geography.","The causal estimate applies specifically to the 64 former colonies in the base sample for which historical mortality and institutional data were available."],"epoch":1,"event":"answer","figure_refs":["call_0f97b69d:coef.avexpr","call_ac13a82c:effect","call_233c60dd:coef.avexpr"],"run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":15,"stopped":"answered","task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":0,"detail":"every number backed","expected":null,"failure_class":null,"kind":"answer_backed","observed":[],"passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":null,"weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":16,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":1,"detail":"answer figure call_0f97b69d:coef.avexpr (infer.iv_2sls)","expected":null,"failure_class":null,"kind":"answer_figure","observed":"call_0f97b69d:coef.avexpr","passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":17,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":2,"detail":"answer call is infer.iv_2sls","expected":null,"failure_class":null,"kind":"tool_called","observed":"infer.iv_2sls","passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":18,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":3,"detail":"infer.iv_2sls.y = 'logpgp95'","expected":"logpgp95","failure_class":null,"kind":"arg_equals","observed":"logpgp95","passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":19,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":4,"detail":"infer.iv_2sls.endog[0] = 'avexpr'","expected":"avexpr","failure_class":null,"kind":"arg_equals","observed":"avexpr","passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":20,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":5,"detail":"infer.iv_2sls.instruments = ['logem4']","expected":["logem4"],"failure_class":null,"kind":"arg_equals","observed":["logem4"],"passed":true,"required":true,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":21,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":6,"detail":"infer.iv_2sls.y = 'logpgp95'","expected":"logpgp95","failure_class":null,"kind":"arg_equals","observed":"logpgp95","passed":true,"required":false,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":22,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":7,"detail":"infer.iv_2sls.endog = ['avexpr']","expected":["avexpr"],"failure_class":null,"kind":"arg_equals","observed":["avexpr"],"passed":true,"required":false,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":23,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":8,"detail":"infer.iv_2sls.instruments = ['logem4']","expected":["logem4"],"failure_class":null,"kind":"arg_equals","observed":["logem4"],"passed":true,"required":false,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":24,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":9,"detail":"infer.iv_2sls.exog = []","expected":[],"failure_class":null,"kind":"arg_equals","observed":[],"passed":true,"required":false,"source_id":null,"tolerance":null,"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":25,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":10,"detail":"64 vs 64","expected":64,"failure_class":null,"kind":"diagnostic","observed":64,"passed":true,"required":false,"source_id":null,"tolerance":{"abs_tol":null,"interval":null,"min_lre":null,"open_interval":false,"rel_tol":null,"rule":"default rel 1e-6 (abs floor 1e-6)"},"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":26,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":11,"detail":"0.9442793852 vs 0.9442793851548288","expected":0.9442793851548288,"failure_class":null,"kind":"answer_figure_close","observed":0.9442793851547994,"passed":true,"required":false,"source_id":"ajr_2001.tab4_pa_c1.software","tolerance":{"abs_tol":1.5652545732958245e-07,"interval":null,"min_lre":null,"open_interval":false,"rel_tol":1e-06,"rule":null},"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":27,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":12,"detail":"0.178913518 vs 0.15652545732958245","expected":0.15652545732958245,"failure_class":null,"kind":"answer_figure_close","observed":0.17891351798924446,"passed":false,"required":false,"source_id":"ajr_2001.tab4_pa_c1.software","tolerance":{"abs_tol":1.5652545732958245e-07,"interval":null,"min_lre":null,"open_interval":false,"rel_tol":1e-06,"rule":null},"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":28,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":13,"detail":"0.9442793852 vs 0.94","expected":0.94,"failure_class":null,"kind":"answer_figure_close","observed":0.9442793851547994,"passed":true,"required":false,"source_id":"ajr_2001.tab4_pa_c1.paper","tolerance":{"abs_tol":0.0050000010000000004,"interval":null,"min_lre":null,"open_interval":false,"rel_tol":null,"rule":"published_cell d=2"},"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":29,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}
{"attempt":1,"check":{"check_index":14,"detail":"0.178913518 vs 0.16","expected":0.16,"failure_class":null,"kind":"answer_figure_close","observed":0.17891351798924446,"passed":false,"required":false,"source_id":"ajr_2001.tab4_pa_c1.paper","tolerance":{"abs_tol":0.0050000010000000004,"interval":null,"min_lre":null,"open_interval":false,"rel_tol":null,"rule":"published_cell d=2 (the SE as printed)"},"trace_call_id":"call_0f97b69d","weight":1.0},"epoch":1,"event":"score","run_id":"20261015T124100Z-suite-paper_repro-gemini-c5ea8f","seq":30,"task_id":"paper_repro.ajr_2001.tab4_pa_c1.design","timestamp":"2026-10-15T12:42:01.912204Z"}