We wish to test whether technical inefficiency depends on observable characteristics of the firm. We consider a two-step procedure in which the second step is a regression of estimated inefficiency on firm characteristics. A valid test of the hypothesis of no effect requires an adjustment to the...

This paper appliesa large number of models to three previously-analyzed data sets,and compares the point estimates and confidence intervals fortechnical efficiency levels. Classical procedures include multiplecomparisons with the best, based on the fixed effects estimates;a univariate version,...

Student evaluation scores are a standard component of the way colleges and universities assess the quality of an instructor's teaching for purposes of promotion and tenure, as well as merit raise allocations. This paper applies a feasible generalized least squares model to a panel of data from...

Using curricula vitae and EconLit, we examine the publication records of nearly 2000 academic economists. We consider the probationary period and the years between tenure and promotion to professor. Faculty tenured at top programmes average 3.44 articles in top-ten journals (and 8.75 total...

Abstract The purpose of this paper is to investigate how digitalization affects vertically related content industries with the threat of piracy. We construct a model of vertical relationship where an upstream [a downstream] firm is considered as a content provider [a retailer]. Three business...