The complexity of the income tax is an unending source of complaint, and compliance costs are estimated to be very large. Yet most recognize that some degree of complexity is necessary if income is to be measured accurately. This article presents a framework for analyzing the value of greater...

This paper examines the distributional outcomes of the tax parameters of the Australian income tax system within the framework of modern tax theory. The analysis focuses first on the parameters of the Personal Income Tax and Low Income Tax Offset. The results show that Australia has moved...

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...

The complexity of the income tax is an unending source of complaint. Compliance costs have received increasing attention and are estimated to be large. Yet most recognize that some degree of complexity is necessary if ability to pay is to be measured accurately. This article presents a framework...

Using longitudinal data for a panel of Brazilian personal income tax returns between 2011 and 2017 we estimate the elasticity of taxable income (ETI) before and after deductions of personal income tax and calculate optimal taxation levels. The behavioral response is examined using a natural...

How are optimal taxes affected by the presence of superstar phenomena at the top of the earnings distribution? To answer this question, we extend the Mirrlees model to incorporate an assignment problem in the labor market that generates superstar effects. Perhaps surprisingly, rather than...

We estimate effective and optimal net income tax schedules and compare them to the estimated statutory rates for the case of Lithuania for the period 2014-2015. Values of effective net tax rates are estimated from the survey of EU Statistics on Income and Living Conditions; the statutory net tax...