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. 

- On Covid-19: New Implications of Job Task Requirements and Spouse's Occupational Sorting, (with  Warn N. Lekfuangfu, Suphanit PiyapromdeeNada Wasi, 2020, Covid Economics: Vetted and Real-Time Papers, 12

          - Related media coverage: ScienceDairyIndian Express, 101.World (Thai)

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): 2020-2022

- Nomura Foundation Grant for Social Science Research (2020) 

- 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


  • Journal referee: Review of Economic Studies,  Review of Economics and Statistics,  Journal of European Economic Association,  International Economic Review,  Review of Economic Dynamics,  European Economic Review,  Journal of Economic Dynamics and Control,  Journal of Macroeconomics,  Journal of Health Economics,  Economics Letters,  Fiscal Studies


  • Personal website



  • e-mail: p-porapakkarm

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


7-22-1 Roppongi, Minato-ku, Tokyo 106-8677

TEL : +81-(0)3-6439-6000     FAX : +81-(0)3-6439-6010


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