Amid global climate change concerns, policymakers worldwide are increasingly scrutinizing environmentally harmful subsidies. This study examines the tax-deductibility of job-related commuting expenses, which has faced criticism for promoting longer commutes and congestion. Through a controlled,...

This paper proposes a method for the welfare analysis of pay-as-you-go social security systems. We derive a formula for the welfare consequences of a permanent marginal change in the payroll tax rate that is valid under weak assumptions about the deep structure of the economy. Our approach...

The COVID-19 pandemic increased public debt and changed the income distribution in many countries. We use a numerical simulation approach to derive optimal nonlinear marginal tax rates for the pre-crisis and crisis periods. We contribute to the literature by examining optimal tax rates...