Position Associate Professor
Degree Ph.D. in Economics, University of Virginia (UVA)
Specialty Macroeconomic and public policies, Economic inequalities
Current Research Interests General equilibrium model with life-cycle and heterogeneous agents, private/public insurance programs, labor market risks, health and medical expenditure risks, distortion of public welfare programs
  • Professional Career
2017-present      Associate Professor, GRIPS
2014-2017 Assistant Professor, GRIPS
2009-2014 Assistant Professor, University of Macau
2009 Ph.D. (Economics), University of Virginia


  • Selected publication

Reducing Medical Spending of the Publicly Insured: the Case for a Cash-out Option, (with Svetlana Pashchenko), 2019, American Economic Journal: Economic Policy, 11(3)

Work Incentives of Medicaid Beneficiaries and The Role of Asset Testing (with Svetlana Pashchenko), 2017, International Economic Review, 58(4)

Cross-Subsidization in Employer-Based Health Insurance and the Effect of Tax Subsidy Reform (with Svetlana Pashchenko), 2016, National Tax Journal, 69(3)

Medical Spending in the US: Facts from the Medical Expenditure Survey Dataset (with Svetlana Pashchenko), 2016, Fiscal Studies, 37(3-4), 689-716

Welfare Cost of Reclassification Risk in the Health Insurance Market (with Svetlana Pashchenko), 2015, Journal of Macroeconomics, 45, 21–44

Quantitative Analysis of Health Insurance Reform: Separating Regulation from Redistribution (with Svetlana Pashchenko), 2013, Review of Economic Dynamics, 16(3), 383–404


  • Honors and Awards

- Japanese Government’s Grant-in-Aid for Scientific Research (KAKENHI): 2015-2018

- Multi-year research grant, University of Macau: 2010-2014

- Start-up grant, University of Macau: 2009

- Bankard Predoctoral Fellowship, University of Virginia.: 2007-2008


  • Academic service

Journal referee: Reviews of Economic Studies, Review of Economic Dynamics, Journal of Macroeconamics, Fiscal Studies, Economic Letter


  • Personal website



  • e-mail: p-porapakkarm

*Please add”@grips.ac.jp” to send a message.


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