Research and development is seen as a key contributor to growth because it generates knowledge, leading to new or improved products through product innovation, and makes firms more efficient at producing goods through process innovation. Firm- level studies generally find evidence of strong...

The standard two-country model of international trade with monopolistic competition predicts a more-than-proportional relationship between a country's share of world production of a good and its share of world demand for that same good, a result known as the "home market effect". We first show...