Table 2.

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

	n = 1000			n = 5000			n = 10,000
	Bias	RMSE	Coverage	Bias	RMSE	Coverage	Bias	RMSE	Coverage
${\widehat{\tau }}_{\text{AIPW}1}\text{(CC) }$	6	35	94	2	21	94	3	20	94
${\widehat{\tau }}_{\text{AIPW}1}\text{(CM) }$	5	47	95	3	59	94	2	69	93
${\widehat{\tau }}_{\text{AIPW}1}\text{(MC) }$	6	36	94	3	36	96	1	62	96
${\widehat{\tau }}_{\text{AIPW}1}\text{(MM) }$	90	183	87	314	893	84	581	2401	83
${\widehat{\tau }}_{\text{AIPW}2}\text{(CC) }$	6	35	94	2	21	94	3	20	94
${\widehat{\tau }}_{\text{AIPW}2}\text{(CM) }$	5	47	95	3	59	94	2	69	93
${\widehat{\tau }}_{\text{AIPW}2}\text{(MC) }$	21	41	91	6	37	95	3	62	95
${\widehat{\tau }}_{\text{AIPW}2}\text{(MM) }$	90	183	87	314	893	84	581	2401	83
$\widehat{\tau }(\text{CC})$	6	35	95	2	23	94	3	22	95
$\widehat{\tau }(\text{CM})$	6	38	95	1	32	94	2	34	94
$\widehat{\tau }(\text{MC})$	6	37	95	2	25	93	4	24	94
$\widehat{\tau }(\text{MM})$	38	58	88	20	41	90	14	39	93
$\tilde{\tau }(\text{CC})$	6	35	95	2	23	93	3	22	94
$\tilde{\tau }(\text{CM})$	6	38	95	1	32	94	2	34	95
$\tilde{\tau }(\text{MC})$	21	41	92	6	25	93	6	24	94
$\tilde{\tau }(\text{MM})$	38	58	88	20	41	90	14	39	93