Quantile Treatment Effects in the Presence of Covariates, forthcoming at Review of Economics and Statistics.

Disentangling Moral Hazard and Adverse Selection in Private Health Insurance (with Dana Goldman), forthcoming at Journal of Econometrics.

Association Between State Laws Facilitating Pharmacy Distribution of Naloxone and Risk of Fatal Overdose (with Rahi Abouk and Rosalie Liccardo Pacula), JAMA Internal Medicine.

A Transitioning Epidemic: How the Opioid Crisis is Driving the Rise in Hepatitis C (with Abby Alpert and Rosalie Liccardo Pacula), Health Affairs, 38(2): 287-294, 2019.

Medical Care Spending and Labor Market Outcomes: Evidence from Workers' Compensation Reforms (with Seth Seabury), American Economic Review, 108(10):2995-3027, 2018.

            Opioids (with Abby Alpert and Rosalie Liccardo Pacula), American Economic Journal: Economic Policy, 
            10(4):1-35, 2018.

            forthcoming at Journal of Labor Economics.

            The Distortionary Effects of the Health Insurance Tax Exclusionforthcoming at American Journal of Health

Do Medical Marijuana Laws Reduce Addictions and Deaths Related to Pain Killers? (with Rosalie Liccardo Pacula and Mireille Jacobson), Journal of Health Economics, 58:29-41, 2018.

A Supply-Side Perspective on the Opioid Crisis (with Rosalie Liccardo Pacula), Journal of Policy Analysis and Management, 2018.

The Effect of the 2009 Influenza Pandemic on Absence from Work (with Fabian Duarte, Srikanth Kadiyala, and Samuel H. Masters), Health Economics, 26(12): 1682-1695, 2017.

Assessing the Effects of Medical Marijuana Laws on Marijuana Use: the Devil is in the Details (with Rosalie Liccardo Pacula, Paul Heaton, and Eric Sevigny), Journal of Policy Analysis and Management, 34(1): 7-31, 2015.

The Exporter Productivity Premium along the Productivity Distribution: Evidence from Quantile Regression with Nonadditive Firm Fixed Effects (with Joachim Wagner), Review of World Economics, 150(4): 763-85, 2014.

Income Taxes, Compensating Differentials, and Occupational Choice: How Taxes Distort the Wage-Amenity Decision (with Hui Shan), American Economic Journal: Economic Policy, 4(1): 224-47, 2012.

Compensating Differentials and Income Taxes: Are the Wages of Dangerous Jobs More Responsive to Income Tax Changes than the Wages of Safe Jobs? Journal of Human Resources, 47(4): 1023-54, 2012. 

Book Chapters:

David Powell and Rosalie Liccardo Pacula (2017).  Prescription Opiates and Opioid Abuse:Regulatory Efforts to Limit Diversion from Medical Markets to Black Markets in the United States” in Dual Markets: Comparative Approaches for Regulation, edited by E. Savona and M.A.R. Kleiman.  New York: Springer.