Carbon regulation and competition in the European airline industry

Ertian Chen, Lichao Chen and Lars Nesheim

No 04/26, CeMMAP working papers from Institute for Fiscal Studies

Abstract: The European Union Emissions Trading System is set to substantially increase the effective carbon price faced by airlines. To quantify the impact of this carbon regulation on the European airline industry, we estimate a two-stage model of airline competition with endogenous route entry, flight frequencies, and pricing using European data on market shares and prices. Counterfactual simulations reveal that the impacts of carbon pricing are highly asymmetric across carrier types and market segments. Consumer surplus declines by up to 25% overall, with medium-haul markets bearing the brunt at up to 90%, while short-haul markets experience positive net welfare gains (including carbon revenue and the social value of avoided emissions) as airlines reallocate capacity toward shorter routes. We find that airline profits decline by 8–45% across scenarios, while carbon tax revenue of $0.9–3.1 billion and a social value of avoided CO2 emissions of $0.5–1.4 billion partially offset the welfare losses. We also show that a hypothetical Wizz Air–Ryanair merger primarily benefits firm profits through network expansion synergies.

Date: 2026-03-30
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Persistent link: https://EconPapers.repec.org/RePEc:azt:cemmap:04/26

DOI: 10.47004/wp.cem.2026.0426

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