Publications

Estimating Welfare In Insurance Markets Using Variation in Prices
Forthcoming. Quarterly Journal of Economics (with Liran Einav and Mark R. Cullen)

Approaches to Estimating the Health State Dependence of the Utility Function
2009. American Economic Review Papers and Proceedings, 99(2): 116-121 (with Erzo F.P. Luttmer and Matthew J. Notowidigdo)

EZ-Tax: Tax Salience and Tax Rates
2009. Quarterly Journal of Economics, 124(3): 969-1010
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The Private Market for Long-Term Care Insurance in the U.S.:A Review of the Evidence
2009. Journal of Risk and Insurance 76(1): 5-29 (with Jeffrey R. Brown)

Redistribution By Insurance Market Regulation: Analyzing a Ban on Gender-Based Retirement Annuities
2009. Journal of Financial Economics 91(1): 35-58 (with James Poterba and Casey Rothschild)

Input and Technology Choices in Regulated Industries: Evidence from the Health Care Sector
2008. Journal of Political Economy 116(5): 837-880 (with Daron Acemoglu)
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Preference Heterogeneity in Insurance Markets: Explaining a Puzzle
2008. American Economic Review Papers and Proceedings, May 98(2): 157-162 (with David Cutler and Kathleen McGarry)

What Did Medicare Do? The Initial Impact of Medicare on Mortality and Out of Pocket Medical Spending
2008. Journal of Public Economics 92: 1644-1669 (with Robin McKnight)

The Interaction of Public and Private Insurance: Medicaid and the Long-Term Insurance Market
2008. American Economic Review 98(3): 1083-1102 (with Jeffrey Brown)

Why Is the Market for Long Term Care Insurance so Small
2007. Journal of Public Economics 91(10): 1967-1991, (with Jeffrey Brown)

Medicaid Crowd-Out of Private Long Term Care Insurance Demand: Evidence from the Health and Retirement Survey
2007. Tax Policy and the Economy, 21:1-34  (with Jeffrey Brown and Norma Coe)

The Aggregate Effects of Health Insurance: Evidence from the Introduction of Medicare
2007. Quarterly Journal of Economics, 122(1): 1-37

Multiple dimensions of private information: evidence from the long-term care insurance market
2006.  American Economic Review September 96(4): 938-958 (with Kathleen McGarry)

Did Medicare Induce Pharmaceutical Innovation?
2006.  American Economic Review Papers and Proceedings, 96(2): 103-107 (with Daron Acemoglu,
David Cutler, and Joshua Linn)

Dynamic Inefficiencies in Insurance Markets: Evidence from Long-Term Care Insurance
2005.  American Economic Review Papers and Proceedings, 95:224-228 (with Kathleen McGarry and Amir Sufi)

Minimum Standards, Insurance Regulation and Adverse Selection: Evidence from the Medigap Market
2004.  Journal of Public Economics 88(12): 2515-2547

Static and Dynamic Effects of Health Policy: Evidence from the Vaccine Industry
2004.  Quarterly Journal of Economics 119(2): 527-564

Adverse Selection in Insurance Markets: Policyholder Evidence from the U.K. Annuity Market
2004.  Journal of Political Economy 112(1) Part 1: 183-208, with James Poterba

The Interaction of Partial Public Insurance Programs and Residual Private Insurance Markets: Evidence from the US Medicare Program
2004. Journal of Health Economics, 23(1): 1-24

The effect of tax subsides to employer-provided supplementary health insurance: evidence from Canada
2002. Journal of Public Economics 84(3): 305-340

Selection Effects in the United Kingdom Indvidual Annuities Market
2002. The Economic Journal 112(476): 28-50, with James Poterba