Emissions trading with transaction costs

Baudry, Marc; Faure, Anouk; Quemin, Simon

doi:10.1016/j.jeem.2021.102468

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Emissions trading with transaction costs

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Baudry, Marc
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Faure, Anouk
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Quemin, Simon
Potsdam Institute for Climate Impact Research;

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Baudry, M., Faure, A., Quemin, S. (2021): Emissions trading with transaction costs. - Journal of Environmental Economics and Management, 108, 102468.
https://doi.org/10.1016/j.jeem.2021.102468

Cite as: https://publications.pik-potsdam.de/pubman/item/item_26607

Abstract

We develop an equilibrium model of emissions permit trading in the presence of fixed and proportional trading costs in which the permit price and firms' participation in and extent of trading are endogenously determined. We analyze the sensitivity of the equilibrium to changes in the trading costs and firms' allocations, and characterize situations where the trading costs depress or raise permit prices relative to frictionless market conditions. We calibrate our model to annual transaction data in Phase II of the EU ETS (2008–2012) and find that trading costs in the order of 10 k€ per annum plus 1 € per permit traded substantially reduce discrepancies between observations and theoretical predictions for firms’ behavior (e.g. autarkic compliance for small and/or long firms). Our simulations suggest that ignoring trading costs leads to an underestimation of the price impacts of supply-curbing policies, this difference varying with the incidence on firms.