{"attempt":1,"datasets":{"card":{"description_shown":"Wooldridge's CARD data set (the R package wooldridge, served by Rdatasets): David Card's (1995) sample of men from the National Longitudinal Survey of Young Men, observed in 1976; one row per man (3,010 rows). Columns used here: lwage, log hourly wage in 1976; educ, years of schooling in 1976; nearc4, 1 if the man grew up near a four-year college in 1966; nearc2, 1 if near a two-year college in 1966; exper, years of experience (age - educ - 6); expersq, exper squared; black, 1 if black; smsa, 1 if living in an SMSA in 1976; south, 1 if living in the South in 1976; smsa66, 1 if living in an SMSA in 1966; reg661 to reg669, indicators of the region of residence in 1966; also age, fatheduc, motheduc, IQ, KWW, married, wage (cents per hour) and the family-background indicators momdad14, sinmom14, step14, south66, libcrd14, enroll, weight, id and rownames.","file_sha256":"326dad817467b20d51bdfd015033e3e3e313931f51f812c38c0776249e7fd711","frame_sha256":null,"role":"agent","transforms":[]}},"epoch":1,"event":"sample_init","question":"What is the causal return to a year of schooling for young men in the United States? Using Card's sample of men from the National Longitudinal Survey of Young Men observed in 1976, estimate the effect of education on the log hourly wage, using a source of variation in schooling that is not driven by ability or family background.","question_sha256":"96e45f645d66545603a7e24e7258d1d7d11a9b9b4cdd68793e03d36a90c4f14f","run_id":"20261015T165744Z-suite-paper_repro-scripted-def9df","seq":0,"skills":[],"task_id":"paper_repro.card_1995.ex15_4_iv.design","task_sha256":"8e25998427cd410de81bbf67a8d771af07c93ef3979ac33e450a66a50b1d3a3f","timestamp":"2026-10-15T16:57:55.076992Z"}
{"attempt":1,"attempts":[],"call_id":"call_5af1018b","epoch":1,"event":"model","finish_reason":"tool_use","latency_ms":0.0,"model_reported":"reference","model_requested":"reference","provider":"scripted","request":{"config":{},"contents_refs":[],"messages_refs":["27ad8764a374d9cff882afdb70213102f60b5287c9b860244dc96694b503584b"],"system_stable_ref":"433a6877aa6a378bbd4b7e2752e484d8cb7499c562d68222be231f62ff2fa420","system_task_ref":"bf5824a1b2b681c3f4f1fcc6e88fb6802db52aa3a73d31da4c3db8f4e1ff0cc9","tools_ref":"52ab03d8ec104abb85572294bf8a469d75c5de9e74d6042caabff8017adc572b"},"response":{"text":"Example 15.4, Table 15.1, IV column: log wage on education instrumented by college proximity, with experience, its square, race, SMSA, South, SMSA in 1966 and the 1966 region dummies (classical errors with the degrees-of-freedom adjustment, as the example states).","thoughts":null,"tool_calls":[{"args":{"dataset":"card","endog":["educ"],"exog":["exper","expersq","black","smsa","south","smsa66","reg662","reg663","reg664","reg665","reg666","reg667","reg668","reg669"],"instruments":["nearc4"],"se":"classical","y":"lwage"},"llm_name":"infer__iv_2sls","tool_id":"infer.iv_2sls","vendor_id":"script_1"}]},"response_id":null,"run_id":"20261015T165744Z-suite-paper_repro-scripted-def9df","seq":1,"task_id":"paper_repro.card_1995.ex15_4_iv.design","timestamp":"2026-10-15T16:57:55.076992Z","usage":{"cached":0,"input":0,"output":0,"thoughts":0},"vendor":false}
{"arguments":{"cluster":null,"dataset":"card","endog":["educ"],"exog":["exper","expersq","black","smsa","south","smsa66","reg662","reg663","reg664","reg665","reg666","reg667","reg668","reg669"],"instruments":["nearc4"],"level":0.95,"se":"classical","subset":null,"y":"lwage"},"attempt":1,"cached":false,"call_id":"call_32eba4df","card_version":"0.1.0","code_version":"62cdbe0860ad","dataset_digests":{"card":"4ec4da8d7939f11a46d67bd248416cc7330bd0dddaddcd6c49c9872c5a427413"},"decided_by":"model","duration_ms":20.1579169370234,"epoch":1,"error":null,"event":"tool","informed_by":[],"input_digest":"97083fef85e2718ee2ccdbec438ba3057ff67d591ac6af7bb615083325cd3111","llm_name":"infer__iv_2sls","output_digest":"28687165695c6e205d43536e1ead504f60fb8de746cdd5b2099cea2cdf178c89","rationale":"Example 15.4, Table 15.1, IV column: log wage on education instrumented by college proximity, with experience, its square, race, SMSA, South, SMSA in 1966 and the 1966 region dummies (classical errors with the 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