Tournaments are widely used in the economy to organize production and innovation. We study individual data on 2 …

Contests are a historically important and increasingly popular mechanism for encouraging innovation. A central concern … in designing innovation contests is how many competitors to admit. Using a unique data set of 9,661 software contests, we … and the nature of the problem should be explicitly considered in the design of innovation tournaments. We explore the …

external knowledge acquisition are complementary innovation activities, but that the degree of complementarity is sensitive to … existence of complementarity. We use our empirical methodology to analyze complementarity between innovation activities …: internal research and development (R& D) and external knowledge acquisition. Our results suggest that internal R& D and …

Successful innovation depends on the development and integration of new knowledge in the innovation process. In order … to innovate successfully, the firm will combine different innovation activities. In addition to doing own research and … development, firms typically are engaged in the acquisition of knowledge on the technology market and cooperate actively in R …