Conventional wisdom would suggest if a pirated product, which is cheaper than the original product, becomes more reliable then the relative demand of the pirated product or the rate of piracy will increase when consumers have different willingness to pay. However, is this always true? We address...

We show that a two-part tariff licensing contract is always optimal to the insider patentee in spatial models irrespective of the size of the innovation or any pre-innovation cost asymmetries. The result provides a simple justification of the prevalence of two-part tariff licensing contracts in...

In many product markets, impact of network externality plays an important role to affect the overall quality of a product. However, the degree or the strength of network externality is assumed as a parameter in most of the literature. We propose a model of vertical product differentiation with...

We explore whether the nature of piracy or the counterfeiting activity and the competition between the copyright holder and the pirate(s) matter in a given regime of Intellectual Property Right (IPR) protection. Generally, the nature of piracy can be of two types, commercial and end-user; and...