For various reasons the relationship between age and productivity is a matter of policy concern. I present new empirical research showing how productivity is affected by age. I study age effects at the individual level by analyzing data on running and publishing in economic journals. Furthermore...

Because their departures are difficultly observed, little is known about the performance of immigrants who leave their adoptive homeland.This paper shows conditions under which the (conditional) outmigration probability, work probability and the expected earnings of outmigrants are...

Abstract: We investigate whether and how the type of unemployment bene t institution affects productivity. We designed a field experiment to compare workers' productivity under a welfare system, where the unemployed receive an unconditional monetary transfer, with their productivity under a...