This paper presents a mechanism inducing costly research and innovation in the absence of intellectual property rights. The mechanism relies on forward contracting between the provider of the innovation and firms or individuals that benefit from the pecuniary effects of the innovation, rather...

We consider cities which can increase the income of landowners or of capital owners by improving the quality of public services. The improvement can come from innovation or from imitation. We find that when cities aim to benefit landowners, too many cities innovate; but too few cities innovate...

Given that it is difficult to monitor, and even more so to enforce, International Environmental Agreements, it is surprising that they are signed and implemented. This paper offers a theoretical model, which addresses the phenomena. The focus is on informational and coordination problems--a...