Trade costs and multimarket collusion
Contrary to conventional wisdom, this article argues that trade liberalization may facilitate collusion and reduce welfare. With the help of a duopoly model in which firms interact repeatedly in multiple markets, we first show that, if trade costs (i.e., tariffs/transport costs) and discount factors are not too high, efficient cartel agreements necessitate the cross-hauling of goods, as that entails lower deviation incentives. In this setting, we then demonstrate that reciprocal trade liberalization always raises total output when trade costs are within a range whose lower bound exceeds a threshold level, but may reduce total output (and thus be pro-collusive) when trade costs are below that threshold level. Copyright (c) 2008, RAND.
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Volume (Year): 39 (2008)
Issue (Month): 4 ()
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