Les indices low carbon: entrée des investisseurs institutionnels dans la lutte contre le réchauffement climatique

Mats Andersson, Patrick Bolton and Frédéric Samama

Revue d'économie financière, 2015, vol. N° 117, issue 1, 175-188

Abstract: Climate change is now increasingly recognized as a major financial threat. We develop a simple dynamic investment strategy that allows long-term passive investors to hedge climate risk without sacrificing financial returns. Our proposed hedging strategy goes beyond a simple divestment of high carbon footprint or stranded assets stocks. This is just the first step. The second step is to optimize the composition of the low carbon portfolio so as to minimize the tracking error with the reference benchmark index. By investing in such an index investors are holding, in effect, a ?free option on carbon?: as long as the introduction of significant limits on CO 2 emissions is postponed they are essentially able to obtain the same returns as on a benchmark index, but the day when CO 2 emissions are priced the low carbon index will outperform the benchmark. This Low TE low CO 2 strategy can mobilize investors on financial grounds, support disciplining pressure to reduce CO 2 emissions, and contribute to build an investor constituency in support of climate change mitigation policies. Classification JEL: G11, Q54, Q56.

JEL-codes: G11 Q54 Q56 (search for similar items in EconPapers)
Date: 2015
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