Carbon intensity and the cost of equity capital

Arjan Trinks, Gbenga Ibikunle, Machiel Mulder, Bert Scholtens

Research output: Contribution to journalArticlepeer-review

Abstract

The transition from high- to lower-carbon production systems increasingly creates regulatory and market risks for high-emitting firms. We test to what extent financial investors demand a premium to compensate for such risks and thus might raise firms’ cost of equity capital (CoE). Using data for 1,897 firms spanning 50 countries over the years 2008–2016, we find a distinct and robust positive impact of carbon intensity (carbon emissions per unit of output) on CoE: On average, a standard deviation higher (sector-adjusted) carbon intensity is associated with a CoE premium of 6 (9) basis points or 1.7% (2.6%). This effect is primarily explained by systematic risk factors: high-emitting assets are significantly more sensitive to economy-wide fluctuations than low-emitting ones. The CoE impact of carbon intensity is more pronounced in high-emitting sectors, EU countries, and firms subject to carbon pricing regulation. Our results suggest that carbon emission reduction might serve as a valuable risk mitigation strategy.
Original languageEnglish
JournalEnergy Journal
Volume43
Issue number2
DOIs
Publication statusAccepted/In press - 23 Feb 2021

Keywords

  • carbon intensity
  • cost of capital
  • regulatory risk
  • asset pricing

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