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Journal of Financial Economics Vol. 146 No. 2 2022

Dissecting green returns

Ľuboš Pástor1,2,3; Robert F. Stambaugh4; Lucian A. Taylor4

1 National Bank of Slovakia · 2 University of Chicago · 3 Centre for Economic Policy Research · 4 University of Pennsylvania

Abstract

Green assets delivered high returns in recent years. This performance reflects unexpectedly strong increases in environmental concerns, not high expected returns. German green bonds outperformed their higher-yielding non-green twins as the “greenium” widened, and U.S. green stocks outperformed brown as climate concerns strengthened. Despite that outperformance, we estimate lower expected returns for green stocks than for brown, consistent with theory. We estimate expected returns in two ways: ex ante, using implied costs of capital, and ex post, using realized returns purged of shocks from climate concerns and earnings. A theoretically motivated green factor explains much of value stocks’ recent underperformance.

DOI
10.1016/j.jfineco.2022.07.007
Volume
146
Issue
2
Pages
403-424
Language
en
Sources
crossref bibtex:phds-export.bib openalex

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