This paper analyzes how the optimal strength of patents on basic inventions is affected by financial constraints on the side of either inventors or developers. The lower the net wealth of a developer is, the more difficult it becomes for an inventor to license her invention to him as she has to...

This paper analyzes how changing the expected length of intellectual property right (IPR) protection affects growth and the welfare of rich and poor consumers. The analysis is based on a product-variety model with non-homothetic preferences and endogenous markups in which, in accordance with...

This article analyzes the effects of intellectual property rights protection on innovation in a quality-ladder model in which part of the consumers value being the exclusive consumers of the newest generation of a good. In the case of a monopoly innovator, we show that reducing IP protection can...

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...

This article analyzes the effects of intellectual property rights in a quality-ladder model of endogenous growth in which incumbent firms preemptively innovate in order to keep their position of leadership. Unlike in models with leapfrogging, granting forward protection, and imposing a...

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

This paper analyzes how changing the expected length of intellectual property (IP) protection affects economic growth and the welfare of rich and poor consumers. The analysis is based on a product-variety model with non-homothetic preferences and endogenous markups in which, in accordance with...

This paper analyzes how changing the expected length of intellectual property (IP) protection affects economic growth and the welfare of rich and poor consumers. The analysis is based on a product-variety model with non-homothetic preferences and endogenous markups in which, in accordance with...

This article analyzes the effects of intellectual property rights in a quality-ladder model where incumbent firms preemptively innovate in order to keep their position of leadership. The amount of R&D undertaken by incumbents increases if it becomes easier for entrants to replace them and to...