Table 1.

Summary of results in the first simulation study based on 1000 Monte Carlo replications for estimating μ; all values have been multiplied by 100.

	n = 1000			n = 5000			n = 10,000
	Bias	RMSE	Coverage	Bias	RMSE	Coverage	Bias	RMSE	Coverage
${\widehat{\mu }}_{\text{AIPW}}(\text{CC})$	4	26	94	4	20	94	3	19	94
${\widehat{\mu }}_{\text{AIPW}}(\text{CM})$	3	35	95	4	54	93	2	66	93
${\widehat{\mu }}_{\text{AIPW}}(\text{MC})$	4	26	95	4	33	96	1	59	96
${\widehat{\mu }}_{\text{AIPW}}(\text{MM})$	46	98	89	284	805	85	553	2284	83
$\widehat{\mu }(\text{CC})$	4	26	94	4	22	93	4	21	95
$\widehat{\mu }(\text{CM})$	4	29	95	3	30	93	2	32	94
$\widehat{\mu }(\text{MC})$	4	26	95	4	23	95	4	23	95
$\widehat{\mu }(\text{MM})$	23	44	92	21	41	89	15	38	93
$\tilde{\mu }(\text{CC})$	4	26	94	4	22	93	4	21	95
$\tilde{\mu }(\text{CM})$	4	29	95	3	30	94	2	32	94
$\tilde{\mu }(\text{MC})$	4	26	95	4	23	94	4	23	95
$\tilde{\mu }(\text{MM})$	23	44	92	21	41	89	15	38	92