Tackling income and wealth inequality is at the top of the policy agenda in many countries. This note discusses three approaches of wealth taxation, based on (1) returns with a capital income tax, (2) stocks with a wealth tax, and (3) transfers of wealth through an inheritance (or estate) tax....

Policymakers are struggling to accommodate cryptocurrencies within tax systems not designed to handle them; this paper reviews the issues that arise. The greatest challenges are for implementation: crypto's quasi-anonymity is an inherent obstacle to third-party reporting. Design problems arise...

This paper discusses the design of excess profits taxes (EPTs) that gained renewed interest following the COVID-19 outbreak and the recent surge in energy prices. EPTs can be designed as an efficient tax only falling on economic rent, like an allowance for corporate capital, and drawing some...

With increasing awareness of past environmental damage from crypto mining, questions arise as to how persistent the problem will be in the future and how taxation can help in addressing this negative externality. We estimate that the global demand for electricity by crypto miners reached that of...