We examine the effects of market structure and the internal organization of firms on equilibrium R&D projects. We compare a monopolist's choice of R&D portfolio to that of a welfare maximizer. We next show that Sah and Stiglitz's finding that the market portfolio of R&D is independent of the...

U.S. patent law decrees that the first firm to inventa technology is awarded the patent for that technology.However, if onefirm had created a technology but had chosen to keep their invention a secret,said firm would have no claim to the invention if another firm later createdthe same technology...

Professor Varian's overview analyzes a variety of competitive strategies used by high-tech companies. These strategies - such as personalized pricing, lock-in, and the adoption of uniform compatibility standards to fuel bandwagon effects - often rely on intellectual property, typically...