题目：Turbulence Ahead: Economic Policies for Decarbonizing Aviation

主讲人：Sebastian Rausch

时间：2026年3月23日（周一）下午2:30-4:00

地点：承泽园245教室

摘要: We study the design of climate policy for hard-to-abate sectors, focusing on global aviation. We build a spatial equilibrium model that links ticket booking data, the global airline network, and climate-regulated airlines’ choices in imperfectly competitive air transport markets. We find that sustainable aviation fuel (SAF) quotas outperform carbon pricing, delivering equal emissions cuts at 46–66% of the welfare cost. Ignoring market structure understates the cost of price-based Pigouvian instruments when fuel-capital substitution is limited. SAF quotas are more robust to regulatory scope, cause less carbon leakage, and—when layered with existing carbon pricing—increase abatement while lowering welfare cost. Relying on carbon offsets risks locking in fossil jet fuel, whereas cost-effective in-sector abatement hinges on substantial SAF uptake.

主讲人介绍: Professor Sebastian Rausch is the Head of the Research Department "Environmental and Climate Economics" at the ZEW-Leibniz Centre for European Economic Research and Full Professor of Environmental & Energy Economics in the Department of Economics (Alfred Weber-Institute) at Heidelberg University. His research focuses on the evaluation and design of economic policies to shape the transition to sustainable energy-economy systems and to mitigate climate change. His work has appeared in general economics journals (e.g., Journal of Public Economics, American Economic Review P&P, European Economic Review), field journals (e.g., JEEM, ERE), and interdisciplinary journals (e.g., Nature Climate Change).