An ‘equal effort’ approach to assessing the North–South climate finance gap

Bowen, Alex, Campiglio, Emanuele and Herreras Martinez, Sara (2017) An ‘equal effort’ approach to assessing the North–South climate finance gap. Climate Policy, 17 (2). pp. 231-245. ISSN 1469-3062

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Abstract

This study employs a number of Integrated Assessment Models to determine what the optimal financial transfers between high-income and developing economies would be if climate mitigation effort, measured as mitigation costs as a share of gross domestic product, were to be divided equally across regions through a global carbon market. We find these to be larger than both current and planned international climate finance flows. Four out of six models imply that a North–South annual financial transfer of around US$400 billion is required by 2050, while the other two models imply larger sums, up to $2 trillion. However, the outlook for multi-country carbon markets is not encouraging at the moment. We thus review some potential sources of funds that might be used to fill the climate finance gap, including public aid, private investment, development banks, and special climate-related facilities. We find the shortcomings of public climate finance appear particularly hard to overcome, and argue that expanding private finance, either in the form of Foreign Direct Investment or through the issuance of ‘green bonds’, appears to be a more promising direction. Policy relevance Climate change is a profoundly asymmetric development issue, as countries at lower stages of development are likely to suffer disproportionate climate damages and mitigation costs. High-income countries have agreed to mobilise $100 billion a year by 2020 ‘to address the needs of developing countries’. However, scaling up climate finance has been slow and, more importantly, targets have not been chosen on the basis of a ‘scientific’ assessment. This article presents a novel, model-based analysis of the ‘equal effort’ inter-regional climate finance that could provide useful insights to policy makers in future negotiations. The gap identified by comparing models’ projections to current and planned financial flows is large but not prohibitive. In particular, private investment appears to be the most likely channel to fill the gap, although various public policies need to be implemented to improve the risk/return profile of low-carbon investment opportunities.

Item Type:	Article
Official URL:	http://www.tandfonline.com/loi/tcpo20
Additional Information:	© 2015 Taylor & Francis
Divisions:	Grantham Research Institute
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences H Social Sciences > HG Finance
JEL classification:	F - International Economics > F3 - International Finance > F30 - General Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics > Q5 - Environmental Economics > Q54 - Climate; Natural Disasters Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics > Q5 - Environmental Economics > Q56 - Environment and Development; Environment and Trade; Sustainability; Environmental Accounting; Environmental Equity
Date Deposited:	22 Oct 2015 13:11
Last Modified:	25 Apr 2024 06:03
Funders:	European Union Seventh Framework Programme
URI:	http://eprints.lse.ac.uk/id/eprint/64108

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