Johannes Brehm

Researcher RWI – Leibniz Institute for Economic Research

My research investigates how environmental policies reshape economies and societies. I study how carbon pricing, transport regulation, and climate risks affect innovation, health, and inequality, and how people perceive and respond to climate action. Using rigorous state-of-the-art empirical methods, I aim to identify policies that are both effective and socially equitable.

Please find my CV here.

Contact: E-Mail | Google Scholar | LinkedIn | Bsky

Publications

Driving innovation? Carbon tax effects in the Swedish transport sector.

aus dem Moore, N., Brehm, J., & Gruhl, H. (2025).

Journal of Public Economics, 248, 105444.

From low emission zone to academic track: Environmental policy effects on educational achievement in elementary school.

Brehm, J., Pestel, N., Schaffner, S., & Schmitz, L. (2025).

Journal of Environmental Economics and Management, 103165.

Adjusting to the New Normal: River Flood Risk and the Real Estate Market.

Gruhl, H., Brehm, J., Ghosh, A., Breidenbach, P., & aus dem Moore, N. (2025).

Environmental and Resource Economics, 88(9), 2331-2356.

Anticipatory climate policy mix pathways: a framework for ex-ante construction and assessment applied to the road transport sector.

Edmondson, D., Flachsland, C., aus dem Moore, N., Koch, N., Koller, F., Gruhl, H., & Brehm, J. (2025).

Climate Policy, 25(3), 438-467.

Increase in concerns about climate change following climate strikes and civil disobedience in Germany.

Brehm, J., & Gruhl, H. (2024).

Nature Communications, 15(1), 2916.

Leveraging machine learning to understand opposition to environmental tax increases across countries and over time.

Brehm, J., & Gruhl, H. (2024).

Environmental Research Letters, 19(8), 084035.

Selected work in progress

What has been driving work-to-work transitions in the emerging world? – A comparative study of Indonesia and South Africa.

Brehm, J., Doku, A., & Escudero, V. (2023).

ILO Working Paper No. 89.

Low Depression Zones? The Effect of Driving Restrictions on Air Pollution and Mental Health.

Brehm, J., Gruhl, H., Kottmann, R., & Schmitz, L. (2024).

Ruhr Economic Papers No. 1093. [Media coverage: Spiegel online, MDR, radio1, ZDF]

Taxing Global Externalities with Local Benefits – Installation-Level Evidence from the European Union Emissions Trading System

Brehm, J.

Does Earmarking Revenues for Adaptation Increase Public Support for Carbon Pricing?

Brehm, J., Gruhl, H., Esser, J. & Flörchinger, D.

Climate or Compute? AI Expansion and Support for Renewable Energy Projects

Zwar, C. & Brehm, J.

Contributions to Meta-Science Projects

Many Daughters: Multi-Analyst Project Exploring the Effect of Daughters on Preferences and Behaviors,

Albrecht et al. (2026).

AI Replication Games, Brodeur et al. (2026).

Policy publications

Pahle et al. (2025). Staying the course in turbulent times – Insights on the current state and ways forward for the EU’s climate, energy and finance policy architecture. Ariadne-Background. Potsdam: Kopernikus-Projekt Ariadne.

Schmitz et al. (2024). Umweltzonen in Deutschland: Emissionsbegrenzungen verbessern Bildung und psychische Gesundheit. DIW Wochenbericht 47/2024. Deutsches Institut für Wirtschaftsforschung.

aus dem Moore et al. (2024). Soziale Aspekte der Umweltpolitik - Teilvorhaben II: Gewinnung von Daten. UBA Texte 82/2024. Umweltbundesamt.

Brehm & Gruhl (2023). Energiewende, Klimaschutz und Aktivismus: Empirische Analyse weitreichender Protestereignisse bis 2020. Ariadne-Analyse. Potsdam: Kopernikus-Projekt Ariadne.

Edmondson et al. (2022). Assessing Climate Policy Instrument Mix Pathways – An Application to the German Light Duty Vehicle Sector. Ariadne-Background. Potsdam: Kopernikus-Projekt Ariadne.

Görlach et al. (2022). A fair and solidarity-based EU emissions trading system for buildings and road transport. Ariadne-Report. Potsdam: Kopernikus-Projekt Ariadne.

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