"We use firm-level data for U.S. multinational enterprises (MNE) and the model of firm heterogeneity first presented in Helpman, Melitz, and Yeaple (2004) to make four empirical contributions. First, we show that the most productive U.S. firms invest in a larger number of foreign countries and...

"Using a model with upfront sunk costs, heterogeneous firms, and endogenous exchange rates, this paper demonstrates theoretically that volatility in fundamental variables such as the nominal interest rate that drive exchange rate volatility can simultaneously impact the entry behavior of...