THE DYNAMIC GLOBAL EXTERNALITY GAME IN NUMBERS: THE CWS MODEL

Henry Tulkens

Chapter 8 in Economics, Game Theory and International Environmental Agreements:The Ca' Foscari Lectures, 2019, pp 289-327 from World Scientific Publishing Co. Pte. Ltd.

Abstract: The following sections are included:The purpose and the messageThe ClimNeg World Simulation (CWS) modelInformal description of purpose, vocabulary and originComponents of the modelThe CWS gameReducing the economic-ecological model to its decision variablesSpecifying the dynamic gameThe “scenarios”Description of the BAUE, NCNE, PCNE’s, PESP and CS scenariosThe optimization problems and their solutionsKey numerical resultsCooperation beyond efficiency in the CWS modelEfficient utility levels at the time horizon and the ecological surplusIndividual and coalitional blockings of the Pareto efficient scenarioTransfers inducing cooperationIndividual rationalityCoalitional rationalityTransfers in the CWS game vs. in the DGEGA provisional stocktakeOn the ecological surplusThe overall picturePre-transfer surplus sharingCooperation-enhancing surplus sharingCT transfers in CWS and time: The feasibility issueOn distributional equity and responsibility in the CT solutionThe CT solution and the ability to pay principle of public financeThe computational nature of the CT solutionAn example of policy use of CWS and its associated gameConcluding consideration

Keywords: Environmental Economics; Environmental Externalities; Climate Change; Game Theory; γ-core; Dynamic Games; International Agreements; UNFCCC Process; Kyoto Protocol (search for similar items in EconPapers)
JEL-codes: Q50 (search for similar items in EconPapers)
Date: 2019
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