Alternative approximations of the bias and MSE of the IV estimator under weak identification with an application to bias correction

Alternative approximations of the bias and MSE of the IV estimator under weak identification with an application to bias correction

Chao, John C., (2007)

Asymptotic distribution of JIVE in a heteroskedastic IV regression with many instruments

Chao, John C., (2010)

Instrumental variable estimation with heteroskedasticity and many instruments

Hausman, Jerry A., (2010)