Environmental Barriers to Trade: The Case of Endangered Sea Turtles

Paul E. Chambers and Robert E. Kohn

Review of International Economics, 2001, vol. 9, issue 1, 123-132

Abstract: In April of 1998, the World Trade Organization pronounced the US Sea Turtle Conservation Act in violation of the GATT. This paper presents a stylized Heckscher–Ohlin–Samuelson model in which the fatal entrapment of sea turtles in nets of the shrimping industry is a negative externality that reduces global utility. Three trade equilibria are simulated: free trade, trade ban, and free trade with subsidization. With free trade, a transfer of abatement capital from the North to the South results in a Pareto improvement upon the trade ban. The simulations indicate that a cooperative outcome which obtains global efficiency may be feasible but is improbable.

Date: 2001
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