Seasonal migration is an ever more important phenomenon worldwide, but has received little attention in empirical research. This paper investigates the choice of seasonal versus longer-term migration on a household level. We use data from Moldova, a country that is witnessing a massive...

We estimate changes in the productivity of schooling for six East Asian countries. Our productivity measure is based on changes in the relative price of schooling. A rising price of schooling relative to other labor-intensive service sectors should indicate declining relative schooling...

"Methods for the analysis of linked employer-employee data are not yet available in standard econometrics packages. In this paper, we make the fixed-effects methods developed orginally by Abowd, Kramarz, Margolis and others more accessible, where possible, and show how they can be implemented in...

"In many large data sets of economic interest, some variables, as wages, are top-coded or right-censored. In order to analyze wages with the German IAB employment sample we first have to solve the problem of censored wages at the upper limit of the social security system. We treat this problem...

"This paper makes three contributions to the literature on the effects of collective bargaining on the performance of German establishments. We include the analysis of firms' efficiency and we model productivity and efficiency simultaneously. Confronted with 25 % observations with missing...