Wikström, Daniel - In: Journal of Productivity Analysis 43 (2015) 1, pp. 29-46
<Para ID="Par1">The fixed effects (‘FE’) estimator of technical inefficiency performs poorly when N (the ’number of firms’) is large and T (the ‘number of time observations’) is small. We propose kernel estimators, which includes the FE estimator as a special case. In terms of criteria based on...</para>