{"call_id":"call_8885a4d4","diagnostics":[{"name":"design","note":"balanced panel of units in 'loja': estimated in first differences, HC1 errors across units","value":"panel_first_difference"},{"name":"n_obs","value":1000},{"name":"se_type","note":"heteroskedasticity-robust standard errors (HC1)","value":"HC1"},{"name":"parallel_trends","note":"with two periods parallel trends cannot be tested; the estimate rests on assuming them","value":"untestable"},{"name":"n_units","value":500}],"figures":[{"ci":[0.544411,1.02703],"ci_level":0.95,"key":"did","label":"Difference-in-differences effect on empregados","se":0.12282,"value":0.785721}],"status":"ok","tables":{"means":[{"group":"treated","mean":1.70102,"n":250,"period":"before"},{"group":"treated","mean":3.57558,"n":250,"period":"after"},{"group":"comparison","mean":-0.0860908,"n":250,"period":"before"},{"group":"comparison","mean":1.00275,"n":250,"period":"after"}]},"tool":"infer.did_2x2","warnings":["with two periods parallel trends cannot be tested"]}