Increasing wage inequality between similar workers plays an important role for overall inequality trends in industrialized societies. To analyze this pattern, we incorporate directed labor market search into a dynamic model of international trade with heterogeneous firms and homogeneous workers....

To stay on top of global competition, firms and governments often need to acquire innovative goods and services, including ideas and research, from their strategic suppliers. A careful design of procurement policy is crucial to make potential suppliers generate and sell the most suitable...