An important discussion in recent years is the introduction of product patentsand the abolition of process patents. In a model with endogenous number of innovatingfirms, we show that whether product patent increases R&D is ambiguous, and depends onthe type of market demand and the cost of R&D....

In a vertically separated industry, where the input suppliers have significantmarket power, not only entry but also the markets (upstream or downstream) withentry possibilities might be a concern to the policy makers. While ‘entry in thedownstream market only’ always increases welfare,...

The literature on technology licensing has ignored the importance ofmarket power of the input supplier. In this paper we examine the incentive forlicensing in the downstream industry when the firms in the upstream industry havemarket power. We show that licensing in the downstream industry is...

Significant amount of vertical technology transfer occurs betweendeveloped and developing country firms, yet the literature on intellectual propertyrights did not pay much attention to this aspect...