Entrepreneurship is generally regarded as a force of change, innovation, and development in modern economies. Entrepreneurs bring new and better products to markets, restore allocative efficiency through arbitrage and reinvest their profits. However, it has been argued that the same energy and...

In this paper I will focus exclusively on opportunity in the narrow sense and therefore on the origin of the required knowledge. For the purpose of this paper an opportunity exists when all reqiured elements of knowledge are "out there" and await the arrival of a keen entrepreneur to recognize,...

We develop a model in which stronger protection of intellectual property rights has an inverted U-shaped effect on innovation. Intellectual property rights protection allows the incumbent firms to capture part of the rents of commercial exploration that would otherwise accrue to the...