A defiining feature of modern economic growth is the systematic application of science to advance technology. However, despite sustained progress in scientific knowledge, recent productivity growth in the U.S. has been disappointing. We review major changes in the American innovation ecosystem...

A defiining feature of modern economic growth is the systematic application of science to advance technology. However, despite sustained progress in scientific knowledge, recent productivity growth in the U.S. has been disappointing. We review major changes in the American innovation ecosystem...

This paper studies knowledge sharing in alliances and alliance portfolios. We develop a theoretical framework that encompass as special cases the problems of knowledge misappropriation and asymmetric learning and show that, once the issue of encouraging effective collaboration is put...