{"kind":"assistant","text":"Equation (12.15): TSLS of log packs per capita on the log real price with log real per capita income, instrumented by the real general sales tax per pack (one instrument), 1995, heteroskedasticity-robust errors.","tool_calls":[{"args":{"dataset":"cigarettes","endog":["lrprice"],"exog":["lrincome"],"instruments":["salestax"],"se":"HC1","subset":"year == 1995","y":"lpacks"},"id":"script_1","name":"infer__iv_2sls"}]}