of bias of (generalized) MMestimators tends to increase with the number of moment conditions exploited. Forvarious … estimation procedures we examine the analytical effects of feedbacks andother model characteristics such as prominence of … feedbacks none of the techniques examined dominates. However, asimple bias corrected LS estimator which presupposes strict …

In this paper, we show that the order of magnitude of the finite sample bias of the GMMld^{(2)} estimator of Bun and …

existence of ordinary least squares (OLS) bias. We discuss power properties of the test under alternative null hypotheses, one … (rather than the existence) of an OLS bias problem, since this usage of the test seems common in applied studies. Finally … Monte Carlo methods are used to evaluate Wu's two-step estimation procedure involving the W-H test as a pretest …

complexity of the formulae currently available. We obtain new analytic formulae for the bias of a class of estimators of the … possible bias and improves substantially on the standard Eicker-White estimate …