by a network of unpaid software developers. Using data from Sourceforge.net, the largest repository of Open Source … Software (OSS) projects and contributors on the Internet, we construct two related networks: A Project network and a … Contributor network. Knowledge spillovers may be closely related to the structure of such networks, since contributors who work on …

often also that consumers make the proper usage decisions. This paper studies investment and usage in a shared ATM network … whether to withdraw cash at ATMs or branches. We find that banks substantially underinvested in the shared ATM network and … with partial incompatibility. Furthermore, we find that consumer usage of the available ATM network is too low because of …

to a distribution network is essential to the ability to compete, we show that this is not the case. Instead, the access … owner of the network. …

characterization of the Nash equilibrium of the fighting game, and of how the network structure affects individual and total fighting …We study from both a theoretical and an empirical perspective how a network of military alliances and enmities affects … the intensity of a conflict. The model combines elements from network theory and from the politico-economic theory of …

In this paper we compare expected loss minimization to worst-case or minimax analysis in the design of simple Taylor … rules optimized under a minimax objective in the presence of general parameter and shock uncertainty do not imply extreme … derived by expected loss minimization. Rules derived by means of minimax analysis are effective insurance policies limiting …

model range in terms of a Minimax policy comes at moderate costs in terms of lower expected performance. We extract priors … that would rationalize the Minimax policy from a Bayesian perspective. These priors indicate that full insurance is …

-sharing due to search frictions implies that ‘good’ jobs which have higher creation costs must pay higher wages. This wage …