The typical measure used by researchers and school administrators to evaluate teachers is based on how the students' achievement increases after being exposed to the teacher, or based on the teacher's "value-added''. When teacher value-added is heterogeneous across her students, the typically...

Motivated by the highly-unionized public sectors, the high public shares in total employment, and the public sector wage premia observed in Europe, this paper examines the importance of public sector unions for macroeconomic theory. The model gen- erates cyclical behavior in hours and wages that...

This paper analyses the impact of the skill composition of migration flows on the host country's labour market in a specific-factors-two-sector model with heterogeneous labour (low, medium, and high skill) and price- and wage-setting behaviour. The low- and medium-skilled labour markets are...

Motivated by the highly-unionized public sectors, the high public shares in total employment, and the public-sector wage premia observed in Europe, this paper examines the importance of public-sector unions for macroeconomic theory. The model generates cyclical behavior in hours and wages that...