Trade Tariffs and Self-Enforcing Environmental Agreements

33 Pages Posted: 26 Nov 2013

See all articles by Thomas Eichner

Thomas Eichner

University of Siegen - School of Economic Disciplines

Rudiger Pethig

University of Siegen - School of Economic Disciplines; CESifo (Center for Economic Studies and Ifo Institute)

Date Written: November 25, 2013

Abstract

In the basic model of international environmental agreements (IEAs) (Barrett 1994, Rubio and Ulph 2006) extended by international trade, self-enforcing - or stable - IEAs may comprise up to 60% of all countries (Eichner and Pethig 2013). But these IEAs reduce total emissions only slightly compared to non-cooperation. Here we analyze the capacity of sign-unconstrained tariffs to enhance the size and performance of self-enforcing IEAs. We show that the size of stable IEAs shrinks when climate coalitions are Stackelberg leaders and set tariffs in addition to their cap-and-trade schemes. Surprisingly, these smaller IEAs reduce total emissions more effectively than the larger stable IEAs without tariffs. In the model with tariffs the signatory countries import fossil fuel and their tariff takes the form of a subsidy of fuel consumption and a tax on the production of the consumption good.

Keywords: tariff, trade, self-enforcing environmental agreements, Stackelberg equilibrium

JEL Classification: C720, F180, Q500, Q580

Suggested Citation

Eichner, Thomas and Pethig, Rudiger, Trade Tariffs and Self-Enforcing Environmental Agreements (November 25, 2013). CESifo Working Paper Series No. 4464. Available at SSRN: https://ssrn.com/abstract=2359371

Thomas Eichner

University of Siegen - School of Economic Disciplines ( email )

Hoelderlinstrasse 3
57068 Siegen
Germany

Rudiger Pethig (Contact Author)

University of Siegen - School of Economic Disciplines ( email )

Hoelderlinstrasse 3
57068 Siegen
Germany

CESifo (Center for Economic Studies and Ifo Institute)

Poschinger Str. 5
Munich, DE-81679
Germany

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