{"kind":"assistant","text":"Table 2, Panel A, column (1), NSW row: the experimental difference in 1978 earnings between treated and control men in LaLonde's sample, as the OLS coefficient on the treatment indicator, classical errors.","tool_calls":[{"args":{"controls":[],"dataset":"nsw","fe":[],"se":"classical","x":["treat"],"y":"re78"},"id":"script_1","name":"infer__ols"}]}