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...

Tax policies seen in developing countries are puzzling on many dimensions. To begin with, revenue/GDP is surprisingly small compared with that in developed economies. Taxes on labor income play a minor role. Taxes on consumption are important, but effective tax rates vary dramatically by firm,...

The integration of world capital markets carries important implications for the design and impact of tax policies. This paper evaluates research findings on international taxation, drawing attention to connections and inconsistencies between theoretical and empirical observations. Diamond and...

We examine the effects of the Tax Reform Act of 1986 on the financial decisions made by firms. We review the theory and empirical predictions of prior literature for corporate debt policy, for dividend and equity repurchase payouts to shareholders, and for the choice of organizational form. We...

Recent theoretical work has argued that a small open economy should use residence-based but not source-based taxes on capital income. Given the ease with which residents can evade domestic taxes on foreign earnings from capital, however, a residence-based tax may not be administratively...

This paper explores the characteristics of individual portfolio holdings in a world economy with a unified securities market where there are many countries, each with its own tax rates and inflation rate. When nominal interest is taxable but income to equity owners is tax exempt in all...

Income from corporate and noncorporate firms is treated very differently under the tax law. To what degree do firms change their form of organization in response? Since the relative tax treatment depends on the tax bracket of the investor, the answer will vary by the bracket of the owners. To...