{"kind":"assistant","text":"2SLS of log wage on years of schooling instrumented by the fourth-quarter indicator, with year-of-birth and state-of-birth dummies as exogenous controls (Brave and True, ch. 8).","tool_calls":[{"args":{"dataset":"ak91_iv","endog":["years_of_schooling"],"exog":["yob_31","yob_32","yob_33","yob_34","yob_35","yob_36","yob_37","yob_38","yob_39","sob_2","sob_4","sob_5","sob_6","sob_8","sob_9","sob_10","sob_11","sob_12","sob_13","sob_15","sob_16","sob_17","sob_18","sob_19","sob_20","sob_21","sob_22","sob_23","sob_24","sob_25","sob_26","sob_27","sob_28","sob_29","sob_30","sob_31","sob_32","sob_33","sob_34","sob_35","sob_36","sob_37","sob_38","sob_39","sob_40","sob_41","sob_42","sob_44","sob_45","sob_46","sob_47","sob_48","sob_49","sob_50","sob_51","sob_53","sob_54","sob_55","sob_56"],"instruments":["q4"],"y":"log_wage"},"id":"script_1","name":"infer__iv_2sls"}]}