Environmental effectiveness and economic consequences of fragmented versus universal regimes: What can we learn from model studies?

Andries Hof*, Michel Den Elzen, Detlef Van Vuuren

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review

Abstract

The thirteenth conference of the parties of the climate convention had launched a negotiation process to craft a new international climate change agreement by the end of 2009. This agreement would need to stipulate emission reduction commitments, specify essential actions to adapt to the impacts of climate change and mobilize the necessary funding and technological innovation. Given these enormous challenges, the structure and design of a future climate agreement are still unclear. Besides the negotiations within the UN climate regime, major greenhouse gas emitting countries are also leading ad hoc debates in other forums, for example in the context of the Group of Eight and the Asia-Pacific Partnership on Clean Development and Climate. Depending on the course of these processes, a new climate governance regime could develop in different directions; it could end somewhere between a universal, inclusive governance architecture and a strongly fragmented, heterogeneous governance architecture (Biermann et al., this volume, Chapter 2). In recent years, numerous universal and fragmented climate regimes have been proposed (for an overview, see Bodansky 2004; Blok et al. 2005; Philibert 2005; IPCC 2007: 770-773). Many of these regimes are quantitatively or qualitatively assessed, but no attempt has yet been made to compare the costs estimates of these studies for specific regions under different regimes. Nevertheless, the available material allows us to make an assessment of the regional costs of several universal and fragmented regimes, based on different models. This chapter presents a literature review concerning the economic effectiveness of a number of possible universal and fragmented regimes. We use only studies that quantitatively assess both emission reductions and costs. From a quantitative perspective, this chapter tries to answer the appraisal question of the 'architecture' domain of this book, namely whether a universal or a fragmented regime will be more effective to reduce greenhouse gas emissions.

Original languageEnglish
Title of host publicationGlobal Climate Governance beyond 2012
Subtitle of host publicationArchitecture, Agency and Adaptation
EditorsFrank Biermann, Philipp Pattberg, Fariborz Zelli
PublisherCambridge University Press
Chapter4
Pages35-59
Number of pages25
ISBN (Electronic)9781139107150
ISBN (Print)9780521190114, 9780521180924
DOIs
Publication statusPublished - 1 Jan 2014

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