Rising levels of income inequality and tight government budgets have spurred discussions in many developing nations about how to appropriately tax high-income earners. In this paper, we study taxpayer responses to an increase in the top marginal tax rate in South Africa, drawing on exceptionally...

In this paper we use a panel of 189 countries to describe the salient trends that have emerged in national personal income tax systems spanning the twenty five year period from 1981 to 2005. Using complete national income tax schedules, we calculate actual average and marginal tax rates at...

In this paper we use a panel of 189 countries to describe the salient trends that have emerged in national personal income tax systems spanning the twenty five year period from 1981 to 2005. Using complete national income tax schedules, we calculate actual average and marginal tax rates at...

In this paper we use a panel of 189 countries to describe the salient trends that have emerged in national personal income tax systems spanning the twenty five year period from 1981 to 2005. Using complete national income tax schedules, we calculate actual average and marginal tax rates at...

Taking Singapore as an example, this article lays out a series of tests for determining whether gains arising from the disposal of cryptocurrencies are trade or business income, “all other income” or capital gains. It also considers the possibility of a presumption that individuals engaging...

The taxation of the digitalized economy is the single most important topic in international tax negotiations today. The OECD has devised a "Two Pillar solution" to the problem. Pillar One is focusing on a reallocation of taxing rights to market jurisdictions, which are largely expected to be...