New evidence for 21 OECD countries shows that the distributional effects of energy taxes differ by energy carrier. On an expenditure basis, taxes on transport fuels are not regressive on average, as households in lower expenditure deciles spend a lower proportion of their expenditure on taxes on...

Energy affordability can be defined as a household’s ability to pay for necessary levels of energy use within normal spending patterns. This paper uses three indicators to measure energy affordability risk in 20 OECD countries. Energy affordability risk differs widely between countries. The...

This paper argues that, in situations where choices are made between mutually exclusive investment projects and where there are economic rents, free allocation of tradable emission permits in emissions trading systems can weaken incentives for firms to invest in less carbon-intensive...