This paper takes an information-theoretic approach to the economics of science, extending Arrow's pioneering (1962) analysis of the allocation of resources for industrial research and invention. It addresses the questions: is there a valid economic distinction between scientific and...

One of the aims of government policy has been to speed up the diffusion of new technologies. This aim has been pursued largely by policies aimed at improving information about the technology or by subsidising the purchase of new technology. In this paper we construct a simple diffusion model...