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Impact of Specialty Drugs on the Use of Other Medical Services (with Geoffrey F. Joyce, Pinar Karaca-Mandic, and Grant D. Lawless), American Journal of Managed Care (2008)

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Want to Monitor Medicare's New Drug Benefit Program? Start by Sending a Check for $120,000, Economists' Voice (2008)

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Drug Licenses: A New Model for Pharmaceutical Pricing (with Anupam B. Jena, Tomas Philipson, and Eric Sun), Health Affairs (2008)

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Does Age or Life Expectancy Better Predict Health Care Expenditures? (with Baoping Shang), Health Economics (2007)

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Pharmacy Benefit Caps And the Chronically Ill (with Geoffrey F. Joyce, Dana P. Goldman, Pinar Karaca-Mandic, and Yuhui Zheng), Health Affairs (2007)

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Adverse Selection in Prescription Drug Plans, Forum for Health Economics & Policy (2007)

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Prescription Drug Cost Sharing (with Geoffrey F. Joyce and Yuhui Zheng), Journal of the American Medical Association (2007)

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The Promise of Health Care Cost Containment (with Alan Garber and Anupam B. Jena), Health Affairs (2007)

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Adverse Selection in Retiree Prescription Drug Plans (with Geoffrey Joyce, Pinar Karaca-Mandic, and Neeraj Sood), Forum for Health Economics & Policy (2006)

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Immigrants And The Cost Of Medical Care (with James P. Smith and Neeraj Sood), Health Affairs (2006)

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Adverse Selection in Retiree Prescription Drug Plans (with Dana Goldman, Geoffrey Joyce, Pinar Karaca-Mandic, and Neeraj Sood), Forum for Health Economics & Policy, Forum: Frontiers in Health Policy Research (2006)

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Benefit Design And Specialty Drug Use (with Geoffrey F. Joyce, Grant Lawless, William H. Crown, and Vincent Willey), Health Affairs (2006)

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Estimating Probit Models with Self-Selected Treatments (with Jay Bhattacharya and Daniel McCaffrey), Statistics in Medicine (2006)

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Pharmacy Benefits and the Use of Drugs by the Chronically Ill (with Geoffrey F. Joyce, Jose J. Escarce, Jennifer E. Pace, Matthew D. Solomon, Marianne Laouri, Pamela B. Landsman, and Steven M. Teutsch), Journal of the American Medical Association (2006)

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Sampling Patients Within and Across Health Care Providers: Multi-Stage Non-Nested Samples in Health Services Research (with John L. Adams, Matthias Schonlau, Jose J. Escarce, Meredith Kilgore, and Schoenbaum Schoenbaum), Health Services and Outcomes Research Methodology (2006)

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Using Hospital Tumor Registries to Identify Research Subjects (with Michael Schoenbaum, Meredith L. Kilgore, Beverly A. Weidmer, Sandra H. Berry, Jose J. Escarce, Joy H. Lewis, and Nikhil Wagle), Health Services and Outcomes Research Methodology (2006)

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HIV Breakthroughs and Risky Sexual Behavior (with Neeraj Sood and Darius Lakdawalla), The Quarterly Journal of Economics (2006)

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Rising Medicare Costs: Are We In Crisis? (with Neeraj Sood), Health Affairs (2006)

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The Value of Elderly Disease Prevention (with David M. Cutler, Baoping Shang, and Geoffrey F. Joyce), Forum for Health Economics & Policy (2006)

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Varying Pharmacy Benefits With Clinical Status: The Case of Cholesterol-lowering Therapy (with Geoffrey F. Joyce and Karaca-Mandic Karaca-Mandic), The American Journal of Managed Care (2006)

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Price regulation in secondary insurance markets (with Neeraj Sood and Jay Bhattacharya ), Journal of Risk and Insurance (2005)

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A Theory of Health Disparities and Medical Technology (with Darius Lakdawalla), Contributions to Economic Analysis & Policy (2005)

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HIV Treatment and Risky Sexual Behavior (with Darius Lakdawalla and Neeraj Sood), Quarterly Journal of Economics (2005)

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Legal Status And Health Insurance Among Immigrants (with James P. Smith and Neeraj Sood), Health Affairs (2005)

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The Health And Cost Consequences Of Obesity Among The Future Elderly (with Darius Noshir Lakdawalla and Baoping Shang), Health Affairs (2005)

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Socioeconomic Differences in the Adoption of New Medical Technologies (with James P. Smith), American Economic Review Papers and Proceedings (2005)

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The Reallocation of Compensation in Response to Health Insurance Premium Increases (with Neeraj Sood and Arleen Leibowitz), Economics Letters (2005)

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Wage and Benefit Changes in Response to Rising Health Insurance (with Neeraj Sood and Arleen Leibowitz), Forum for Health Economics & Policy (2005)

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The Changing Face of Pharmacy Benefit Design (with Jesse D. Malkin and Geoffrey Joyce), Health Affairs (2004)

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Increased Medicare Expenditures for Physicians’ Services: What Are the Causes? (with Melinda J. Beeuwkes Buntin, Jose J. Escarce´, Hongjun Kan, Miriam J. Laugesen, and Paul Shekelle), Inquiry 41 (2004)

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Are The Young Becoming More Disabled? (with Darius Lakdawalla and Jayanta Bhattacharya), Health Affairs (2004)

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Are The Young Becoming More Disabled? (with Darius Lakdawalla and Jayanta Bhattacharya), Health Affairs (2004)

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Employee Responses to Health Insurance Premium Increases (with Arleen A. Leibowitz and David A. Robalino), The American Journal of Managed Care (2004)

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The Link between Public and Private Insurance and HIV-Related Mortality (with Jayanta Bhattacharya and Neeraj Sood), Journal of Health Economics (2003)

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Forecasting the Nursing Home Population (with Darius Noshir Lakdawalla, Jay Bhattacharya, Michael Hurd, Geoffrey Joyce, and Constantijn Panis), Medical Care (2003)

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The link between public and private insurance and HIV-related mortality (with Neeraj Sood and Jayanta Bhattacharya), Journal of Health Economics (2003)

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High Out-Of-Pocket Health Care Spending By The Elderly (with Julie M. Zissimopoulos), Health Affairs (2003)

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The Participation of Patients 65 Years of Age or Older in Cancer Clinical Trials (with Joy H. Lewis, Meredith L. Kilgore, Edward L. Trimble, Richard Kaplan, Michael J. Montello, Michael G. Housman, and Jose J. Escarce), Journal of Clinical Oncology (2003)

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Employer Drug Benefit Plans and Spending on Prescription Drugs (with Geoffrey F. Joyce, Jose J. Escarce, and Matthew D. Solomon), Journal of the American Medical Association (2002)

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Can Patient Self-Management Help Explain the SES Health Gradient? (with James P. Smith), Proceedings of the National Academy of Sciences (2002)

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Effect of Insurance on Mortality in an HIV-Positive Population in Care (with Jayanta Bhattacharya, Daniel F. McCaffrey, Naihua Duan, Arleen A. Leibowitz, Geoffrey F. Joyce, and Sally C. Morton), Journal of the American Statistical Association (2001)

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Queuing for Surgery: Is the U.S. or Canada Worse Off? (with Barton H. Hamilton and Vivian Ho), The Review of Economics and Statistics (2000)

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The Costs of A Medicare Prescription Drug Benefit (with Geoffrey F. Joyce and Jesse Dylan Malkin), Topics in Economic Analysis & Policy (2000)

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Cost-Containment and Adverse Selection in Medicaid HMOs (with Arleen Leibowitz and Joan L. Buchanan), Journal of the American Statistical Association (1998)

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The Effects of Benefit Design and Managed Care on Health Care Costs (with Susan D. Hosek, Lloyd S. Dixon, and Elizabeth M. Sloss), Journal of Health Economics (1995)

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Managed Care as a Public Cost-Containment Mechanism, The RAND Journal of Economics (1995)

Disability Forecasts and Future Medicare Costs (with Jay Bhattacharya , David Cutler, Michael Hurd, Geoff Joyce, Darius Lakdawalla, Constantijn Panis, and Baoping Shang), Frontiers in Health Policy Research (2004)

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Market Evidence of Misperceived Prices and Mistaken Mortality Risks (with Neeraj Sood and Jayanta Bhattacharya), NBER (2003)