Problem
In the Monopolistic competition model with trade, all firms are identical, so all firms export. In reality, only about 20% of the US firms are exporters. Describe a way to account for this by extending the monopolistic competition model. How would firms differ? What types of firms would be exporters?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.