{"kind":"assistant","text":"Table V, column (2): 2SLS of the log weekly wage on years of education, instrumented by the 30 quarter-of-birth (1-3) by year-of-birth interactions, with nine year-of-birth dummies (the authors' 'QOB Table V.do': ivregress 2sls, classical errors).","tool_calls":[{"args":{"dataset":"asciiqob","endog":["educ"],"exog":["yob_30","yob_31","yob_32","yob_33","yob_34","yob_35","yob_36","yob_37","yob_38"],"instruments":["qtr1_yob30","qtr1_yob31","qtr1_yob32","qtr1_yob33","qtr1_yob34","qtr1_yob35","qtr1_yob36","qtr1_yob37","qtr1_yob38","qtr1_yob39","qtr2_yob30","qtr2_yob31","qtr2_yob32","qtr2_yob33","qtr2_yob34","qtr2_yob35","qtr2_yob36","qtr2_yob37","qtr2_yob38","qtr2_yob39","qtr3_yob30","qtr3_yob31","qtr3_yob32","qtr3_yob33","qtr3_yob34","qtr3_yob35","qtr3_yob36","qtr3_yob37","qtr3_yob38","qtr3_yob39"],"se":"classical","y":"lwklywge"},"id":"script_1","name":"infer__iv_2sls"}]}