作者：REITZES, JD; GRAWE, OR
摘要：Anecdotal evidence reveals that an import quota is not always filled when the quota is specified in terms of a market-share limit instead of a quantity limit. In a simple Cournot duopoly, we show that imposing a market-share quota eliminates pure-strategy equilibria. Instead, a mixed-strategy equilibrium occurs where the quota is not binding under one of the two equilibrium domestic strategies. Compared with a tariff that restrains the foreign market share to an equivalent level, domestic outp...
作者：KOWALCZYK, C
作者单位：National Bureau of Economic Research
摘要：This paper derives trade policy rankings for a country trading with a foreign monopoly firm. It characterizes the first-best policy under decreasing monopoly costs, and it demonstrates that a minimum import requirement implements first-best trade only under constant monopoly costs. The paper shows further that a voluntary import expansion eliminates all gains from trading with the monopoly, and that all quotas and voluntary export restraints are equivalent. Finally, it establishes that a price...
