There is a consensus among economists that a carbon tax is the best approach for addressing the effects of CO2 emissions on the global climate. However, past international agreements on climate change instead specify caps on emissions (a quantity target) for each country. This paper explores...

The philanthropic sector is highly consequential, particularly in the United States, and the most important policies directed toward this sector are tax policies. Yet most economic analysis of the optimal tax treatment of charitable giving is ad hoc, treating it as a subject unto itself. This...

Over half of the U.S. population receives health insurance through an employer, with employer premium contributions creating a flat "head tax" per worker, independent of their earnings. This paper develops and calibrates a stylized model of the labor market to explore how this uniquely American...

Most antipoverty policy in the United States focuses on families with children, but efforts to assist childless adults have gained traction in recent years. We examine the impact of the Earned Income Tax Credit on the labor force outcomes of childless adults using the age-25 eligibility...

Although it is generally blind with respect to race, the federal individual income tax can create racial disparities when factors that affect tax liability are associated with race. We provide new evidence on racial differences in marriage penalties and bonuses in the income tax, using data from...

This article explores subjects in optimal income taxation characterized by recent research interest, practical importance in light of concerns about inequality, potential for misunderstanding, and prospects for advancement. Throughout, the analysis highlights paths for further investigation....

Existing research on selection in insurance markets focuses on how adverse selection distorts prices and misallocates products across people. This ignores the distributional consequences of who pays the higher prices. In this paper, we show that the distributional incidence depends on the...

Ground-level ozone has been shown to have significant negative health externalities from short-term exposure, and as such has been regulated by the U.S. Clean Air Act since the 1970s. Ozone is not emitted directly; instead formation occurs due to a complex Leontief-like combination of air...

This paper estimates the incidence of state corporate taxes using new data and methods for estimating the effects on profits. We extend Suarez Serrato and Zidar (2016) by developing two new identification approaches that use the effects of business taxes on the labor demand of incumbent firms...

From April 2020 through at least the end of 2021, Americans died from non-Covid causes at an average annual rate 97,000 in excess of previous trends. Hypertension and heart disease deaths combined were elevated 32,000. Diabetes or obesity, drug-induced causes, and alcohol-induced causes were...