pMOM		peMOM-piMOM
	E(θi | yn)	SSR	E(θi | yn)	SSR
${\theta }_i^{\ast }\ne 0$	${\theta }_i^{\ast }+O_p(n^{-1/2})$	Op(p1n−1)	${\theta }_i^{\ast }+O_p(n^{-1/2})$	Op(p1n−1)
${\theta }_i^{\ast }={\theta }_{0i}^{\ast }{a}_n$	${\theta }_i^{\ast }+O_p(n^{-1/2})$	Op(p1n−1)	${\theta }_i^{\ast }+O_p(n^{-1/4})$	Op(p1n−1/2)
${\theta }_i^{\ast }=0$	rOp(n−2)	Op(p0r2n−4)	$r{O}_p(e^{-\sqrt{n}})$	$O_p(p_0{r}^2{e}^{-\sqrt{n}})$