Since firm heterogeneity has been introduced into international trade models, the importance of firm entry and exit (the extensive margin) has been highlighted. Thomas Chaney (2008) illustrates how accounting for heterogenous firms (and this extensive margin) alters the standard gravity...

Since firm heterogeneity has been introduced into international trade models, the importance of firm entry and exit (the extensive margin) has been highlighted. In fact, Chaney (2008) illustrates how accounting for this extensive margin and heterogenous firms alters the standard gravity...

We develop a new theoretical framework of trade agreement (TA) formation, called a ‘parallel contest', that emphasizes the political fight over TA ratification within countries. TA ratification is inherently uncertain in each country, where anti- and pro-trade interest groups contest each...

The key result of the so-called "New Trade Theory" is that countries gain from falling trade costs by an increase in the number of varieties available to consumers. Though the number of varieties in a given country rises, it is also true that global variety decreases from increased competition...

We develop a new theoretical framework of trade agreement (TA) formation, called a "parallel contest", that emphasizes the political fight over TA ratification within countries. TA ratification is inherently uncertain in each country, where anti- and pro-trade interest groups contest each other...