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Welfare Consequences of Sustainable Finance

Harrison Hong, Neng Wang and Jinqiang Yang

No 28595, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We model the welfare consequences of portfolio mandates that restrict investors to hold firms with net-zero carbon emissions. To qualify for these mandates, value-maximizing firms have to accumulate decarbonization capital. Qualification lowers a firm’s required rate of return by its decarbonization investments divided by Tobin’s q, i.e., the dividend yield shareholders forgo to address the global-warming externality. The welfare-maximizing mandate approximates the first-best solution, yielding welfare gains compared to laissez faire by mitigating the weather disaster risks resulting from carbon emissions. Our model generates transitions to steady-state decarbonization-to-productive capital ratios that we use to evaluate the optimality of proposed net-zero targets.

JEL-codes: E20 G12 G30 H50 (search for similar items in EconPapers)
Date: 2021-03
New Economics Papers: this item is included in nep-ene, nep-env and nep-mac
Note: AP CF EFG PE
References: Add references at CitEc
Citations: View citations in EconPapers (6)

Published as Harrison Hong & Neng Wang & Jinqiang Yang & Stefano Giglio, 2023. "Welfare Consequences of Sustainable Finance," The Review of Financial Studies, vol 36(12), pages 4864-4918.

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