This dissertation is a collection of three stand-alone research papers. Myresearch since 2002 has focused on the economics of education andorganizational economics. The dissertation covers papers which link thesetwo research areas. The introduction puts the papers in a more...

The paper discusses the impact of ability grouping in secondary education on student incentives. Education provides a signal on unobservable ability for employers and improves productivity after education. Selection sets better incentives in primary education and allows for improved peer group...