The OECD published a working paper on net effective carbon rates on 25 May 2023. --- Net effective carbon rates Building on an approach pioneered in the OECD's Taxing Energy Use for Sustainable Development report, this paper develops a methodology to estimate effective carbon rates net of pre-tax fossil fuel support: the Net Effective Carbon Rates (Net ECR). This exercise is made possible by combining the two OECD databases: the Taxing Energy Use and Effective Carbon Rates database (the backbone of the newly established OECD series on Carbon Pricing and Energy Taxation) and the Inventory of Support Measures for Fossil...