{"args":{"dataset":"mroz","endog":["educ"],"exog":[],"instruments":["fatheduc"],"se":"classical","subset":"inlf == 1","y":"lwage"},"checks":[{"abs_tol":3.5141773970086746e-08,"bind":"any","column":null,"failure_class":null,"field":"value","interval":false,"key":"coef.educ","kind":"figure_close","min_lre":null,"note":"software reference","open_interval":false,"rel_tol":1e-06,"required":true,"source_id":"mroz_1987.ex15_1.software","table":null,"tool":"infer.iv_2sls","value":0.05917347999936595,"weight":1.0,"where":null},{"abs_tol":3.5141773970086746e-08,"bind":"any","column":null,"failure_class":null,"field":"se","interval":false,"key":"coef.educ","kind":"figure_close","min_lre":null,"note":"software reference, SE","open_interval":false,"rel_tol":1e-06,"required":true,"source_id":"mroz_1987.ex15_1.software","table":null,"tool":"infer.iv_2sls","value":0.03514177397008675,"weight":1.0,"where":null},{"abs_tol":null,"bind":"any","column":null,"failure_class":null,"field":"value","interval":false,"key":"coef.educ","kind":"figure_close","min_lre":null,"note":"published cell","open_interval":false,"rel_tol":null,"required":true,"source_id":"mroz_1987.ex15_1.paper","table":null,"tool":"infer.iv_2sls","value":0.059,"weight":1.0,"where":null},{"abs_tol":null,"bind":"any","column":null,"failure_class":null,"field":"se","interval":false,"key":"coef.educ","kind":"figure_close","min_lre":null,"note":"published cell, SE","open_interval":false,"rel_tol":null,"required":true,"source_id":"mroz_1987.ex15_1.paper","table":null,"tool":"infer.iv_2sls","value":0.035,"weight":1.0,"where":null}],"datasets":{"mroz":{"columns":null,"description":"Wooldridge's MROZ data set (the R package wooldridge, served by Rdatasets): Mroz's (1987) sample of married women from the Panel Study of Income Dynamics, for 1975; one row per woman (753 rows). Columns used here: inlf, 1 if the woman was in the labour force in 1975; lwage, log hourly wage (missing for women who did not work); wage, hourly wage; educ, years of schooling; exper, years of labour-market experience; expersq, exper squared; fatheduc, father's years of schooling; motheduc, mother's years of schooling; also hours, kidslt6, kidsge6, age, repwage, hushrs, husage, huseduc, huswage, faminc, mtr, unem, city, nwifeinc and rownames.","file_sha256":"bcfc04b6a87746b185ed972f1149c459cc1af5a6ff44443ce5dd004eb8204a78","format":"csv","frame_sha256":null,"generator":null,"kind":"file","licence":"GPL-3 (R package wooldridge); fetched, not redistributed.","member":null,"object":null,"params":{},"path":null,"read_kw":{},"records":null,"role":"agent","sha256":"bcfc04b6a87746b185ed972f1149c459cc1af5a6ff44443ce5dd004eb8204a78","transforms":[],"url":"https://raw.githubusercontent.com/vincentarelbundock/Rdatasets/1dcc2bf5f955cc1224a3e1307256e1fe86b68dae/csv/wooldridge/mroz.csv"}},"difficulty":"E","id":"paper_repro.mroz_1987.ex15_1.tool","level":"T1","meta":{"acceptable_tools":["infer.iv_2sls"],"cluster":"mroz_1987","contamination":{"benchmark_first_public":"2020-01","gold_in_public_repo":true,"model_reported_cutoff":null,"url":"https://www.cengage.com/c/introductory-econometrics-a-modern-approach-7e-wooldridge/9781337558860/"},"expected_tool":"infer.iv_2sls","family":"iv","kind":"tool","known_deviation":null,"locator":"Wooldridge (2020), Example 15.1 'Estimating the Return to Education for Married Women', equation (15.17), coefficient on educ","n_published":428,"paper":"mroz_1987","se_policy":{"basis":"The textbook's usual IV standard errors (Section 15-1 and the note in Example 15.4: a degrees-of-freedom adjustment in the error variance).","convention":"classical (homoskedastic), n - k","never_required":false,"stated_in_question":false},"target":"ex15_1","trap_tools":[]},"question":"","requires":[],"runner":null,"sources":["mroz_1987.ex15_1.paper","mroz_1987.ex15_1.software"],"split":"public","suite":"paper_repro","tags":["paper_repro","mroz_1987","iv"],"target":"tool","tool":"infer.iv_2sls","truth":"Wooldridge, J. M. (2020). Introductory Econometrics: A Modern Approach, 7th edition. Boston: Cengage. Examples 15.1 and 15.5 (Mroz 1987, 'The Sensitivity of an Empirical Model of Married Women's Hours of Work', data set MROZ). Examples 15.1 and 15.5 are long-standing examples of the book (earlier editions not read), so 'published' (the edition read) understates how long the cells have been public. Wooldridge (2020), Example 15.1 'Estimating the Return to Education for Married Women', equation (15.17), coefficient on educ (source mroz_1987.ex15_1.paper); software reference mroz_1987.ex15_1.software: linearmodels 7.0: the reference specification of mroz_1987 ex15_1 (infer.iv_2sls, figure 'coef.educ') on an independent code path"}