When measuring income inequality over long periods of time, accounting for population and productivity growth is important. This paper presents three alternative measures of top income shares that more explicitly account for population and income growth than the standard measure. We apply these...

The international agreement on a corporate minimum tax is a milestone in global corporate tax arrangements. The minimum tax disturbs the equivalence between otherwise equivalent forms of efficient economic rent taxation: cash-flow tax and allowance for corporate equity. The marginal effective...

In this paper, we define a new class of richness measures. In contrast to the often used headcount, these new measures are sensitive to changes in rich persons' income and therefore allow for a more sophisticated analysis of richness. We demonstrate the application of these new measures to...

This paper offers a new way of assessing government cash transfers using a social welfare function framework. It demonstrates how one can use social welfare functions to measure the efficiency of such program s without requir ing the specif ication of a poverty line or particular poverty...

Although oil windfalls have opened a window of opportunity for the Gulf States, at the same time they have created numerous problems. In particular, the uncertainty associated with periods of boom and bust in the oil market has made the formulation and implementation of sound fiscal policies a...