This paper studies the role of the exchange rate regime for trade of new products. It first provides VAR evidence that a rise in external productivity shifts trade away from new products and more so in fixed regimes. Then, it presents a model with firm dynamics in line with this evidence. We...

This paper provides a theory of the international business cycle grounded on firms' entry and sticky prices. It shows that under simple monetary rules pro-cyclical entry and counter-cyclical markups can generate fluctuations in macroeconomic aggregates and trade variables as large as those...