We develop a tractable dynamic model of productivity growth and technology spillovers that is consistent with the emergence of real world empirical productivity distributions. Firms can improve productivity by engaging in in-house R\&D, or alternatively, by trying to imitate other firms'...

This chapter surveys the literature on international trade and the protection of intellectual property rights (IPRs) in the global economy. The discussion is organized around the major questions in the field. How does openness to trade affect national incentives for patent protection? What is...