The history of invention and innovation makes clear the importance of entrepreneurship as a driver of economic growth. This is especially important today, when we face the twin challenges of developing new economic energy sources while avoiding the threat of global warming. Thus, it is essential...

We propose a model to explain the recent practice of pharmaceutical firms of introducing generic substitutes for their own branded products before their patents expire. By this early introduction, a branded product’s provider seeks to establish a Stackelberg leadership role in the forthcoming...