This paper investigates the association between greater income inequality, de-facto fiscal space, and sovereign spreads. Using data from 50 countries in 2007, 2009 and 2011, we find that higher income inequality is associated with a lower tax base, lower de-facto fiscal space, and higher...

Starting with Vickrey (1945) and Mirrlees (1971), the optimal tax literature has studied the design of a personal income tax. The assumed ideal would be to tax earnings ability. Earnings ability is unobservable for tax purposes, however. Past papers have focused instead on designing a tax on...

This paper evaluates the political economy and structural factors explaining the collection efficiency of the Value Added Tax [VAT]. We consider the case where the collection efficiency is determined by the probability of audit and by the penalty on underpaying. Implementation lags imply that...

This paper analyzes the international reserve-holding behavior of developing countries. It shows that political-economy considerations modify the optimal reserve level determined by efficiency criteria. A country characterized by volatile output, inelastic demand for fiscal outlays, high tax...

Tax reforms usually change both tax rates and tax bases. Using a panel of income tax returns spanning the two major U.S. tax reforms of the 1980s and a number of smaller tax law changes, I find that the elasticity of income reported on personal income tax returns depends on the available...

This paper evaluates the impact of globalization on the tax bases of countries at varying stages of development. We see globalization as a process that induces countries to embrace greater trade and financial integration. This in turn should shift their tax revenue from "easy to collect" taxes...

This paper derives the dependency of optimal tariff and inflation tax on tax collection and enforcement costs. The analysis is done for a small, open economy. The existence of such costs can justify tariff and inflation tax policies as optimal revenue-raising devices. This paper suggests that...

In theory, the U.S. tax system aims to attribute and tax all business income to individuals. But the tax treatment of this income varies. Pass-through income is taxed when earned; capital-gains income is taxed when realized; dividends when distributed; other forms of business income may escape...