Using firm level data, Bernard and Jensen (1995, 1999, 2001) find that exporters are bigger and more productive than non-exporters. These studies also find that the identity of exporting firms changes over time and that fixed entry and participation costs influence firm's decision to enter and...

In a closed economy general equilibrium model, Hopenhayn and Rogerson (1993) find large welfare gains to removing firing restrictions. We explore the extent to which international trade alters this result. When economies trade, labor market policies in one country spill over to other countries...