We study how air travel consumers departing from a multi-airport region trade-off across airport and airline supply characteristics. We empirically investigate this trade-off by estimating a weighted conditional logit model of airport-airline choice, using survey data on travels departing from...

This article considers potential impediments to the estimation of teacher quality caused primarily by the purposeful behavior of families, administrators, and teachers. The discussion highlights the benefits of accounting for student and school differences through a value-added modeling approach...