We examine the heterogeneous impacts of foreign language use at work on earnings of both native-born workers and foreign-born workers, using a longitudinal survey, viz. the European Community Household Panel (ECHP) running from 1994 to 2001. Our findings are the following. First, for native-born...

This paper applies an ANOVA-type of meta-analysis to the evaluation of agri-environmental policy in theEuropean Union. Meta-analysis is concerned with the statistical analysis of previous research results, andhas become an established technique in the medical and natural science. The paper...