FEEM working papers "Note di lavoro"
2021.17
Date: 26/05/2021

The Macroeconomic Effects of a Carbon Tax to Meet the U.S. Paris Agreement Target: The Role of Firm Creation and Technology Adoption


Authors:

Alan Finkelstein Shapiro (Tufts University); Gilbert E. Metcalf (Tufts University)

JEL n.: E20, E24, E62, H23, O33, Q52, Q55
Keywords: Environmental and Fiscal Policy, Carbon Tax, Endogenous Firm Entry, Green Technology Adoption, Search Frictions, Unemployment, Labor Force Participation

Abstract

We analyze the quantitative labor market and aggregate effects of a carbon tax in a framework with pollution externalities and equilibrium unemployment. Our model incorporates endogenous labor force participation and two margins of adjustment influenced by carbon taxes: firm creation and green production-technology adoption. A carbon-tax policy that reduces carbon emissions by 35 percent - roughly the emissions reductions that will be required under the Biden Administration's new commitment under the Paris Agreement - and transfers the tax revenue to households generates mild positive long-run effects on consumption and output; a marginal increase in the unemployment and labor force participation rates; and an expansion in the number and fraction of firms that use green technologies. In the short term, the adjustment to higher carbon taxes is accompanied by gradual gains in output and consumption and a negligible expansion in unemployment. Critically, abstracting from endogenous firm entry and green-technology adoption implies that the same policy has substantial adverse short- and long-term effects on labor income, consumption, and output. Our findings highlight the importance of these margins for a comprehensive assessment of the labor market and aggregate effects of carbon taxes.

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Suggested citation: A. Finkelstein Shapiro, G. E. Metcalf, (2021), 'The Macroeconomic Effects of a Carbon Tax to Meet the U.S. Paris Agreement Target: The Role of Firm Creation and Technology Adoption', Nota di Lavoro 17.2021, Milano, Italy: Fondazione Eni Enrico Mattei

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