Publications of the Research Unit Environmental and Climate Economics

  1. ZEW policy brief No. 26-10 // 2026

    Environmental Ambition and Economic Protectionism: Why the Design of Border Carbon Adjustments Matters

    Border carbon adjustments (BCAs) are becoming a central instrument in climate-trade policy to limit carbon leakage while protecting domestic industry. Their effectiveness, however, depends fundamentally on how…

  2. ZEW Monthly // 2026

    04/2026 – Climate Policy and Competition

    Climate policy is increasingly caught between ambitious emission targets and international competitiveness. Rising energy prices, new carbon pricing regimes and industrial policy interventions raise the question…

  3. ZEW policy brief No. 26-06 // 2026

    Bezahlbarkeit, Fairness, Vertrauen: Wie die Energiewende gelingen kann

    Die Energiewende tritt in eine Phase, in der Verbraucher/innen selbst zu zentralen Akteuren werden, da Klimapolitik nun direkt in deren Entscheidungen hineinwirkt. Aus ökonomischer Sicht gilt die Bepreisung von…

  4. ZEW Discussion Paper No. 26-011 // 2026

    Decarbonizing a Portfolio of Operating Assets: Cost Estimates for Vehicle Fleets

    Companies across industries seek to assess the costs of complying with environmental regulations and meeting voluntary emission targets. This paper develops a carbon abatement cost model for firms operating a…

  5. ZEW policy brief No. 26-03 // 2026

    Groß gegen Klein? Der Industriestrompreis als Risiko für Effizienz und Wettbewerb

    Aufgrund stark gestiegener Stromkosten möchte die deutsche Bundesregierung ab 2026 mit dem Industriestrompreis energieintensive Branchen entlasten, indem bis zu 50 Prozent ihres Verbrauchs auf 50 Prozent des…

  6. ZEW policy brief No. 26-02 // 2026

    Turbulence Ahead: Effective and Efficient Climate Policy in Aviation

    Decarbonising aviation is a major challenge. It requires not only determined political measures but also strong incentives for the use of sustainable aviation fuels (SAFs). At present, both market-based and…

  7. Refereed Journal // 2026

    Fueling Electrification: The Impact of Gas Prices on Hybrid Car Usage

    We use microlevel data on fuel consumption, mileage, and travel mode to study how plug-in hybrid drivers respond to fuel prices. When fuel prices rise, plug-in hybrids reduce fuel consumption more than gasoline…