By combining two large data sets (on international trade flows and on mergers and acquisitions M&As), we are able to test two implications of Neary's (2003, 2004a) recent theoretical work. Analyzing M&As in a General Oligopolistic Equilibrium (GOLE) model incorporating strategic interaction...

The trade literature often treats countries as dimensionless points, which is a strong assumption. Agglomeration or lumpiness of production factors within countries can affect the national pattern of trade. In this paper we analyze comparative advantage patterns for 22 cities and 4 regions for...

The withdrawal of the United Kingdom from the European Union has had disruptive effects on international trade. As part of its "Global Britain" strategy, in the wake of Brexit, the UK is pursuing a series of Free Trade Agreements with countries around the world, including Canada, Japan, Korea,...

In the post-war period, the goods composition of trade in OECD countries has changed considerably. We analyze the evolution of comparative advantage using a detailed trade data set and a new analytical tool: the harmonic (weighted) mass index, which enables us to identify periods of structural...

The United Kingdom has opted to leave the European Union. The trade and welfare consequences of this decision are large; most studies predict a trade and welfare loss for both the UK and the EU. The UK parliament has indicated that it aims for new and ambitious trade agreements following Brexit,...

Distance related variables typically vary in a cross-section dimension but less so in a time dimension across cities, regions, or countries. The enlargement of the EU or the introduction of the euro, however, can be looked upon as integration shocks that are informative of the consequences of...

The vast literature on the effects of immigration on wages and employment is plagued by likely endogeneity and aggregation biases. Ours is among the first papers to address both of these issues by means of causality analysis and by accounting for human capital endowments. Our analysis confirms...