We present a model of growth and technology transfer based on the idea that technologies are specific to particular combinations of inputs. We argue that this model is more realistic that the usual specification in which an improvement in any technique for producing a given good improves all...

We consider an exchange economy in which agents possess private information at the time of engaging in state contingent contracts. While com-munication of private information is permitted, the true information state is not verifiable. The enforcement of contracts is, therefore, limited by...