This study focuses on the influence of heavy job demands on retirement, using the available SHARE waves. Heavy job demands may have a direct and health mediated effect on individual retirement. An econometric challenge is the dynamic self-selection of workers into jobs. The main findings...

This study seeks to explain country differences in the performance at the International Mathematical Olympiad. Hypotheses on the relationship between, on one hand, performance at the Olympiads and, on the other, population size and dynamics, economic resources, human capital, schooling quantity...