We study the potential loss in social welfare and changes in incentives to invest in R&D that result when the market leading firm is deprived of its position. We show that under plausible assumptions like free entry or repeated market interactions there is a social value of market leadership and...

This article analyzes the effects of intellectual property rights in a qualityladder model in which incumbent firms preemptively innovate in order to keep their position of leadership. Unlike in models with leapfrogging, granting nonexpiring forward protection reduces the rate of innovation and...