We exploit rules of class formation to identify the causal effect of increasing the number of immigrants in a classroom on natives test scores, keeping class size constant (Pure Composition Effect). We explain why this is a relevant policy parameter although it has been neglected so far. We show...

Abstract: This paper examines the causal link between foreign investment and firm performance in six small open economies in the European Union. Specifically, using micro data for manufacturing and services over the period 2001-2009, we analyse the effects of foreign mergers and acquisitions on...