Industrial Organization Commons^™

Essays On Competition In The Pharmaceutical Industry, Jiangyun Wan

FIU Electronic Theses and Dissertations

Chapter 1: Patents and Entry Competition in the Pharmaceutical Industry: The Role of Marketing Exclusivity

Effective patent length for innovation drugs is severely curtailed because of extensive efficacy and safety tests required for FDA approval, raising concern over adequacy of incentives for new drug development. The Hatch-Waxman Act extends patent length for new drugs by five years, but also promotes generic entry by simplifying approval procedures and granting 180-day marketing exclusivity to a first generic entrant before the patent expires. In this paper we present a dynamic model to examine the effect of marketing exclusivity. We find that marketing exclusivity …

Essay On Firm Inventory And Innovation Behavior, Ye Gu

Doctoral Dissertations

This dissertation studies firm’s decisions on inventory investment and innovation activities. The first chapter examines firm inventory behavior. It resolves and simulates the production smoothing/buffer stock model using different sets of parameters. It shows that the relationship between a sales shock and inventory investment could be ambiguous which is different from previous predictions. The production smoothing/buffer stock model and the (S, s) model of inventory are tested using a rich Chinese firm-level dataset covering 769 manufacturing firms from 1980 to 1989, and I find that sales are positively correlated with inventory for raw materials, but negatively correlated with …

Measurement Of The Agglomeration And The Geographic Concentration Of The Innovation Across Mexican States, Vicente German-Soto, Luis Gutiérrez Flores

Vicente German-Soto