The purpose of this paper is to investigate empirically the effectiveness of alternative mechanisms of protecting the competitive advantages of new or improved products and processes. The analysis is based on I survey I conducted among 358 firms in 127 different (four-digit) industries in...

We develop a dynamic duopoly model of R&D competition to improve the quality of a finalgood. The innovation process is sequential and cumulative, and takes place alongside productionin an infinite-horizon setting. In this context we study the R&D incentive impacts resultingfrom a “research...

We develop a model with one innovating northern firm and heterogeneous southernfirms that compete in a final product market. We assume southern firms differ in their intrinsiccosts and their ability to adapt technology and study southern incentives to protect intellectualproperty rights. We find...