Macroeconomic theory assumes that factors of production in the economy are homogeneous and fungible. As a result, it is poorly suited for analyzing and developing policy responses to the recent financial crisis. Theories of strategic management and organization, with their emphasis on...

"Job hopping" by scientists and engineers is an important channel for knowledge diffusion. Little is known, however, about the effectiveness of actions firms take to reduce the outward flow of know-how and talent from their own organizations. Building on theories of reputation-building and...