Why do some civil wars terminate soon, with victory of one party over theother? What determines if the winner is the incumbent or the rebel group?Why do other conflicts last longer? We propose a simple model in whichthe power of each armed group depends on the number of combatants itis able to...

In recent years, there has been a great deal of research on the relative merits of multilateralism and bilateralism and their implications for the nature of the trading regime between countries. In this paper we explore the scope of bilateral free-trade agreements as a foundation for free trade,...

In an oligopoly, prior to competing in the market, firms have an opportunity to form pair-wise collaborative links with other firms. These pair-wise links involve a commitment of resources and lead to lower costs of production of the collaborating firms. The collection of pair-wise links defines...

In recent years, there has been a great deal of research on the relative merits of multilateralism and bilateralism and their implications for the nature of the trading regime between countries. In this paper we explore the scope of bilateral free-trade agreements as a foundation for free trade,...

In an oligopoly, prior to competing in the market, firms have an opportunity to form pair-wise collaborative links with other firms. These pair-wise links involve a commitment of resources and lead to lower costs of production of the collaborating firms. The collection of pair-wise links defines...

In an oligopoly, prior to choosing quantities/prices, each firm has an opportunity to form pair-wise collaborative links with other firms. These pair-wise links defines a collaboration network. We study stable and efficient networks under different types of market competition. We find that...