Why green subsidies are preferred to carbon taxes: Climate policy with heightened carbon tax salience
研究了碳税不受公众欢迎时，政策制定者应如何调整气候政策，发现最优碳税应低于庇古税，并过度补贴可再生能源产品，这解释了当前政策中存在的扭曲。
Policy makers must take account of the fact that carbon taxes are highly unpopular. Once policy makers take this into account, they should adopt a modified targeting principle by setting the optimal carbon tax below the Pigouvian tax (i.e., the social cost of carbon) and excessively subsidising products that are made with renewable energy. We numerically illustrate these behavioural biases in climate policies in the face of heightened carbon tax salience and note that this helps to explain distortions in current climate policies. We find that governments might then even take the easy option of green spending and fossil fuel subsidies rather than taxing carbon emissions. This is costly as welfare is lower than it would be without behavioural misperceptions.