This paper analyzes and compares differences in policy implications between import tariffs and antidumping (AD) duties in the presence of dumping under free trade. We present a vertical differentiation model of international trade in "like" products under duopolistic competition, allowing for...

This paper examines which types of firms, from a developed country (DC) or a less developed country (LDC), tend to practice dumping, using a two-market equilibrium analysis of trade in "like" products. Specifically, we present a vertical product differentiation model of duopolistic competition...

This paper examines the economic and political implications of two market-based policies, eco-certifications and emission taxes. We evaluate each policy's effects on the environment, investment in clean technology, and social welfare under imperfect competition. We find that eco-certification...

We analyze firms' investment in product innovation when there are heterogeneous consumer switching costs in markets with an industry leader. We show that higher switching costs require a successful entrant to charge a higher price and increase investment in product innovation to remain...