Addressing Climate Change Through Price and Non-Price Interventions

50 Pages Posted: 17 Jun 2019

See all articles by Joseph E. Stiglitz

Joseph E. Stiglitz

Columbia Business School - Finance and Economics; National Bureau of Economic Research (NBER)

Date Written: June 2019

Abstract

Recognizing the importance of the second-best nature of economies, the Stern-Stiglitz report on carbon pricing departed from the recommendation of a single carbon price for all uses at all places and times. This paper provides some of the analytics behind these recommendations. First, I analyze the circumstances in which distributional concerns make desirable a tax or regulation inducing significant reductions in carbon usage in a carbon-intensive sector for which consumers are disproportionately rich. Such policies allow lower carbon prices elsewhere without exceeding carbon emission targets. The cost of the resulting production inefficiency may, under the identified circumstances, be less than the distributional benefits. The paper considers the circumstances in which such differential policies may be best implemented through regulation vs. differential pricing, as well as differential effects on political economy and norm setting. Second, I consider the effect of carbon price trajectories on induced innovation, providing general conditions under which the optimal carbon path should, at least eventually, be falling over time. Finally, I revisit the price-versus-quantity debate and highlight important aspects of the dynamic nature of the problem.

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Suggested Citation

Stiglitz, Joseph E., Addressing Climate Change Through Price and Non-Price Interventions (June 2019). NBER Working Paper No. w25939. Available at SSRN: https://ssrn.com/abstract=3405125

Joseph E. Stiglitz (Contact Author)

Columbia Business School - Finance and Economics ( email )

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