Is there any evidence that innovation and technological progress are contained by competition and fostered by monopoly power? Our results based on a newly constructed dataset of US manufacturing industries observed over two decades suggest that this is not the case.On the contrary, using both...

Which kind of intellectual property regime is more favorable to innovation: one that enforces patents or one that does not? Economic theory is unable to answer this question, as valid arguments can be made both for and against patents; hence we must turn to empirical evidence. In this paper, we...

We present a Hotelling model of price and advertising competition between prescription drugs that differ in quality/side effects. Promotional effort results in the endogenous formation of two consumer groups: brand loyal and non-brand loyal ones. We show that advertising intensities are...