{"call_id":"call_38c4a248","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":800},{"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":400}],"figures":[{"ci":[1.33659,1.91097],"ci_level":0.95,"key":"did","label":"Difference-in-differences effect on empregados","se":0.146081,"value":1.62378}],"status":"ok","tables":{"means":[{"group":"treated","mean":1.55063,"n":200,"period":"before"},{"group":"treated","mean":4.22034,"n":200,"period":"after"},{"group":"comparison","mean":-0.102277,"n":200,"period":"before"},{"group":"comparison","mean":0.943658,"n":200,"period":"after"}]},"tool":"infer.did_2x2","warnings":["with two periods parallel trends cannot be tested"]}