{"args":{},"checks":[{"abs_tol":null,"bind":"any","column":null,"failure_class":"unbacked_number","field":"value","interval":false,"key":null,"kind":"answer_backed","min_lre":null,"note":"","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":null,"value":null,"weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":"no_estimate_cited","field":"value","interval":false,"key":null,"kind":"answer_figure","min_lre":null,"note":"an answer figure: the effect of an estimator call the answer cites","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":null,"value":null,"weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":"wrong_tool","field":"value","interval":false,"key":null,"kind":"tool_called","min_lre":null,"note":"","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":"infer.ols","value":null,"weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":"wrong_args","field":"value","interval":false,"key":"y","kind":"arg_equals","min_lre":null,"note":"outcome: log GDP per working-age person, 1985","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":"infer.ols","value":"ly","weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":"wrong_sample","field":"value","interval":false,"key":"n_obs","kind":"diagnostic","min_lre":null,"note":"","open_interval":false,"rel_tol":null,"required":true,"source_id":null,"table":null,"tool":"infer.ols","value":22,"weight":1.0,"where":null},{"abs_tol":4.3389556468033426e-07,"bind":"answer_call","column":null,"failure_class":null,"field":"value","interval":false,"key":null,"kind":"answer_figure_close","min_lre":null,"note":"software reference","open_interval":false,"rel_tol":1e-06,"required":true,"source_id":"mrw_1992.tab1_oecd_ls.software","table":null,"tool":null,"value":0.4998895374530683,"weight":1.0,"where":null},{"abs_tol":4.3389556468033426e-07,"bind":"answer_call","column":null,"failure_class":null,"field":"se","interval":false,"key":null,"kind":"answer_figure_close","min_lre":null,"note":"software reference, SE: recorded, not required (the question does not state the convention)","open_interval":false,"rel_tol":1e-06,"required":false,"source_id":"mrw_1992.tab1_oecd_ls.software","table":null,"tool":null,"value":0.4338955646803343,"weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":null,"field":"value","interval":false,"key":null,"kind":"answer_figure_close","min_lre":null,"note":"published cell: recorded, never required on T2/T3","open_interval":false,"rel_tol":null,"required":false,"source_id":"mrw_1992.tab1_oecd_ls.paper","table":null,"tool":null,"value":0.5,"weight":1.0,"where":null},{"abs_tol":null,"bind":"answer_call","column":null,"failure_class":null,"field":"se","interval":false,"key":null,"kind":"answer_figure_close","min_lre":null,"note":"published cell, SE: recorded, never required on T2/T3","open_interval":false,"rel_tol":null,"required":false,"source_id":"mrw_1992.tab1_oecd_ls.paper","table":null,"tool":null,"value":0.43,"weight":1.0,"where":null}],"datasets":{"growthdj":{"columns":null,"description":"The data of Mankiw, Romer and Weil (1992), 'A Contribution to the Empirics of Economic Growth', as transcribed by Durlauf and Johnson (R package AER, GrowthDJ): one row per country (121 rows). Columns: rownames, a row number; oil, 'yes' for the oil producers MRW exclude from the non-oil sample, else 'no'; inter, 'yes' for the 'intermediate' sample (no Summers-Heston grade of D, 1960 population of at least one million); oecd, 'yes' for the OECD sample; gdp60 and gdp85, real GDP per working-age person in 1960 and 1985 (dollars); gdpgrowth, average annual growth of GDP per working-age person 1960-1985 (percent); popgrowth, average annual growth of the working-age population 1960-1985 (percent); invest, average share of real investment in real GDP 1960-1985 (percent); school, percent of the working-age population in secondary school; literacy60, adult literacy rate in 1960 (percent). Columns built from the paper's definitions (g + \u03b4 = 0.05): ly, log of gdp85; s_share, invest divided by 100; ls, log of s_share (ln(I/GDP)); n_rate, popgrowth divided by 100; g_plus_delta, the constant 0.05; ngd, n_rate + g_plus_delta; lngd, log of ngd (ln(n + g + \u03b4)). Some countries miss gdp85 or popgrowth.","file_sha256":"3d06303f1da9959175e990eb068bf242fac0e9bc1f9daad1f5fffe96d100e796","format":"csv","frame_sha256":null,"generator":null,"kind":"file","licence":"R package AER (GPL-2 | GPL-3), via Rdatasets; fetched, not redistributed.","member":null,"object":null,"params":{},"path":null,"read_kw":{},"records":null,"role":"agent","sha256":"3d06303f1da9959175e990eb068bf242fac0e9bc1f9daad1f5fffe96d100e796","transforms":[{"args":{"args":{"column":"gdp85"},"name":"ly","op":"log"},"op":"derive"},{"args":{"args":{"column":"invest","factor":0.01},"name":"s_share","op":"scale"},"op":"derive"},{"args":{"args":{"column":"s_share"},"name":"ls","op":"log"},"op":"derive"},{"args":{"args":{"column":"popgrowth","factor":0.01},"name":"n_rate","op":"scale"},"op":"derive"},{"args":{"args":{"value":0.05},"name":"g_plus_delta","op":"constant"},"op":"derive"},{"args":{"args":{"columns":["n_rate","g_plus_delta"]},"name":"ngd","op":"sum"},"op":"derive"},{"args":{"args":{"column":"ngd"},"name":"lngd","op":"log"},"op":"derive"}],"url":"https://raw.githubusercontent.com/vincentarelbundock/Rdatasets/1dcc2bf5f955cc1224a3e1307256e1fe86b68dae/csv/AER/GrowthDJ.csv"}},"difficulty":"M","id":"paper_repro.mrw_1992.tab1_oecd_ls.agent","level":"T2","meta":{"acceptable_tools":["infer.ols"],"answer_format":{"figure_transform":"identity","round_to":null,"unit_scale":1.0},"cluster":"mrw_1992","contamination":{"benchmark_first_public":"1992-05","gold_in_public_repo":true,"model_reported_cutoff":null,"url":"https://doi.org/10.2307/2118477"},"expected_tool":"infer.ols","family":"ols","headline_keys":{"infer.ols":["coef.ls"]},"kind":"agent","known_deviation":{"evidence":"Recorded before this track's software-reference run and before any dry run on this target; from the data's provenance. The file is Durlauf and Johnson's transcription of the MRW data appendix (R package AER, GrowthDJ), whose population growth and investment shares are printed rounded to one decimal of a percent, while MRW estimated on the unrounded Summers-Heston data; the research probe of 2026-10-14 (research-papers.md section 3.5) already found the constant off by about 0.05 and some slopes off by 0.01 to 0.02 on this file. Every MRW cell is therefore a data_version deviation: the printed cell is recorded and counted in replication fidelity, and non-required on T1.","fields":["se","value"],"found_in_run":false,"kind":"data_version"},"locator":"Table I (Estimation of the textbook Solow model), unrestricted regression, column 'OECD', row 'ln(I/GDP)'","n_published":22,"paper":"mrw_1992","question_states":[],"reference":{"cite":1,"steps":[{"args":{"controls":[],"dataset":"growthdj","fe":[],"se":"classical","subset":"oecd == 'yes'","x":["ls","lngd"],"y":"ly"},"tool":"infer.ols","why":"Table I, OECD sample: OLS of log GDP per working-age person in 1985 on ln(I/GDP) and ln(n + g + \u03b4) with g + \u03b4 = 0.05, classical errors."}]},"se_policy":{"basis":"The table note says only 'Standard errors are in parentheses'; nothing states a robust or other convention, so the classical errors of the period are assumed.","convention":"classical (homoskedastic) OLS, n - k","never_required":false,"stated_in_question":false},"target":"tab1_oecd_ls","trap_tools":[]},"question":"Mankiw, Romer and Weil (1992), 'A Contribution to the Empirics of Economic Growth', Table I (the unrestricted textbook Solow regression), OECD sample: in the 22 OECD countries with populations above one million, estimate by ordinary least squares the regression of log GDP per working-age person in 1985 on the log of the investment share of GDP and the log of (n + g + \u03b4), where n is the 1960-1985 growth rate of the working-age population and g + \u03b4 is assumed to be 0.05. Report the coefficient on the log of the investment share of GDP.","requires":[],"runner":null,"sources":["mrw_1992.tab1_oecd_ls.paper","mrw_1992.tab1_oecd_ls.software"],"split":"public","suite":"paper_repro","tags":["paper_repro","mrw_1992","ols"],"target":"agent","tool":null,"truth":"Mankiw, N. G., Romer, D. and Weil, D. N. (1992). A Contribution to the Empirics of Economic Growth. Quarterly Journal of Economics 107(2): 407-437. Table I (Estimation of the textbook Solow model), unrestricted regression, column 'OECD', row 'ln(I/GDP)' (source mrw_1992.tab1_oecd_ls.paper); software reference mrw_1992.tab1_oecd_ls.software: statsmodels 0.15.0: the reference specification of mrw_1992 tab1_oecd_ls (infer.ols, figure 'coef.ls') on an independent code path"}