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...

We explore the effect of foreign direct investment on economic growth in developing countries, distinguishing between mergers and acquisitions ("M&As") and "greenfield" investment. A simple model captures the key difference between the two types of FDI: unlike greenfield investment, M&As partly...

Most studies on Multinational Enterprises (MNEs) focus on the impact of their expansion through inward or outward foreign direct investment (FDI) flows. However, divestments are quite common among the operations of MNEs. In order to derive their effects, we build a computable general equilibrium...