This paper develops the theoretical foundations and the testable implications of the variousmechanisms that have been proposed as possible triggers for the demographic transition.Moreover, it examines the empirical validity of each of the theories and their significance forthe understanding of...

We describe a new and flexible framework for modeling school effects. Like previouswork in this area, we introduce an empirical model that evaluates school performance onthe basis of student level test-score gains. Unlike previous work, however, we introducea flexible model that relates...

This paper addresses the question to which extent the complementarity between educationand training can be attributed to differences in observable characteristics, i.e. to individual,job and firm specific characteristics. The novelty of this paper is to analyze previouslyunconsidered...