The U.S. Supreme Court decision in the landmark 2018 Wayfair case greatly improved state governments' ability to enforce collection of sales taxes on a destination basis. This has reduced state tax competition with an essentially-untaxed internet, but has brought traditional cross-border...

This paper offers a new approach to measuring the size of the informal economy based on VAT data for the European Union. Although data intensive, our EVADE measure is simpler and more transparent than existing measures. EVADE also shows more variation across countries of Europe than earlier...

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...

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...

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...

More stringent fuel economy standards and increased market penetration of electric vehicles (EVs) present challenges to federal policy makers who historically have relied on motor vehicle fuel excise taxes to fund highway projects. This paper considers the distributional implications of a...

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...

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...

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...