Twenty years ago, Harvard Business School economist and strategy professor Michael Porter stood conventional wisdom about the impact of environmental regulation on business on its head by declaring that well designed regulation could actually enhance competitiveness. The traditional view of...

Twenty years ago, Harvard Business School economist and strategy professor Michael Porter stood conventional wisdom about the impact of environmental regulation on business on its head by declaring that well-designed regulation could actually enhance competitiveness. The traditional view of...

Twenty years ago, Harvard Business School economist and strategy professor Michael Porter stood conventional wisdom about the impact of environmental regulation on business on its head by declaring that well designed regulation could actually enhance competitiveness. The traditional view of...

Jaffe and Palmer (1997) present three distinct variants of the so- called Porter Hypothesis. The “weak” version of the hypothesis posits that environmental regulation will stimulate certain kinds of environmental innovations. The “narrow” version of the hypothesis asserts that flexible...

Jaffe and Palmer (1997) present three distinct variants of the so-called Porter Hypothesis. The weak version of the hypothesis posits that environmental regulation will stimulate certain kinds of environmental innovations. The narrow version of the hypothesis asserts that flexible environmental...

Innovative start-ups and venture capitalists are highly clustered: Silicon Valley is probably the best-known example. Clusters differ in the contracts they use, and in how they perform. I explore the link between spillovers, contractual design and performance. I find that more "incomplete"...

This paper explores a new role for venture capitalists, as knowledge intermediaries. A venture capital investor can communicate valuable knowledge to an entrepreneur, facilitating innovation. The venture capitalist can also communicate the entrepreneur's innovative knowledge to other portfolio...

[paper in French] The conventional wisdom about environmental protection is that it comes at an additional cost on farmers imposed by the government, which may erode their global competitiveness. In fact, there are many ways through which improving the environmental performance of a farm can...

The conventional wisdom about environmental protection is that it comes at an additional cost on farmers imposed by the government, which may erode their global competitiveness. However, during the last decade, this paradigm has been challenged by a number of analysts. In particular, Porter...