FEEM working papers "Note di lavoro" series
2018 .023

International Environmental Agreements and Trading Blocks - Can Issue Linkage Enhance Cooperation?


Autori: Effrosyni Diamantoudi, Eftichios Sartzetakis, Stefania Strantza
Serie: Climate and Sustainable Innovation
Editor: Massimo Tavoni
Parole chiave: Environmental Agreements
Numero JEL: D6, Q5, C7

Abstract

This paper examines the stability of International Environmental Agreements (IEAs) in an economy with trade. We extent the basic model of the IEAs by letting countries choose emission taxes and import tariffs as their policy instruments in order to manage climate change and control trade. We define the equilibrium of a three-stage emission game. In the first stage, each country decides whether or not to join the agreement. In the second stage, countries choose simultaneously - cooperatively or non-cooperatively - tariff and tax levels. In the third stage, taking countries’ decisions as given, firms compete a la Cournot in the product markets. Numerical analysis illustrates that the interaction between trade and environment policies is essential in enhancing cooperation. Contrary to the IEA model, stable agreements are larger and more efficient in reducing aggregate emissions and improving welfare. Moreover, the analysis shows that the size of a stable agreement increases in the number of countries affected by the externalities.

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Suggested citation: Diamantoudi, E., E. Sartzetakis, S. Strantza, (2018), 'International Environmental Agreements and Trading Blocks - Can Issue Linkage Enhance Cooperation?', Nota di Lavoro 23.2018, Milano, Italy: Fondazione Eni Enrico Mattei

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