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Rapid carbon pricing can create macro-financial instability

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Research area:Economics, Econometrics and FinanceEconomic Theory and PolicyComplex Systems and Time Series Analysis

What the study found

Rapid transitions driven by fast-growing carbon prices can significantly affect unemployment, inflation, and income distribution. The study also finds that stabilization policies reduce these economic fluctuations, though not completely in Paris-compatible scenarios.

Why the authors say this matters

The authors conclude that coordinated climate and macroeconomic policy is needed during decarbonization. They also say the integrated model framework helps improve understanding of the economic implications of low-carbon futures.

What the researchers tested

The researchers soft-linked two models: the World Induced Technical Change Hybrid (WITCH), a process-based integrated assessment model that represents energy-system change, and the Dystopian Schumpeter Meeting Keynes (DSK), a macro-financial agent-based model that represents economic and financial dynamics. This setup was used to translate energy-system transformations into macro-financial outcomes at business-cycle frequency.

What worked and what didn't

The hybrid framework allowed the authors to study macro-financial responses to deep mitigation trajectories controlled by carbon pricing. In their findings, fast-growing carbon prices were associated with notable impacts on unemployment, inflation, and income distribution, while stabilization policies reduced these fluctuations but did not eliminate them completely in Paris-compatible scenarios.

What to keep in mind

The abstract does not provide detailed model limitations or uncertainty bounds. The findings are based on the specific hybrid modeling framework and the scenarios described in the study.

Key points

  • Fast-growing carbon prices were associated with significant changes in unemployment, inflation, and income distribution.
  • Stabilization policies reduced economic fluctuations, but not fully in Paris-compatible scenarios.
  • The study linked the WITCH integrated assessment model with the DSK macro-financial agent-based model.
  • The hybrid framework translated energy-system change into macro-financial outcomes at business-cycle frequency.
  • The abstract does not describe detailed limitations or uncertainty measures.

Disclosure

Research title:
Rapid carbon pricing can create macro-financial instability
Authors:
Luca E. Fierro, Severin Reissl, Francesco Lamperti, Emanuele Campiglio, Laurent Drouet, Johannes Emmerling, Elise Kremer, Massimo Tavoni
Institutions:
International Institute for Applied Systems Analysis, Scuola Superiore Sant'Anna, RFF-CMCC European Institute on Economics and the Environment, CMCC Foundation – Euro-Mediterranean Center on Climate Change, Committee on Climate Change, University of Bologna, Sustainability Institute, Universidade Nova de Lisboa, Politecnico di Milano
Publication date:
2026-04-07
DOI:
10.1038/s43247-026-03209-4
OpenAlex record:
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AI provenance: This post was generated by OpenAI. The original authors did not write or review this post.

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