My Profile My Research

My Profile

Name Real Arai
Current Position Assistant Professor, Department of Management, Kochi University of Technology.
Address 2-22, Eikokuji, Kochi City, Kochi, 780-8515, JAPAN.
E-mail arai.real (at) kochi-tech.ac.jp
[ Please replace (at) to @. I'm sorry for your inconvenience.]
Homepage http://real-a.net/index-e.html
Education Ph.D. in Economics, Kyoto University, March, 2012.
M.A. in Economics, Kyoto University, March, 2007.
B.A. in Economics, Kyoto University, March, 2005.
Main Research Fields Fiscal Policy, Public Finance, Public Economics, Macroeconomics.

Professional Experiences

Apr.2015 - (Current)
    Assistant Professor, Department of Management, Kochi University of Technology, Kochi, Japan.
Apr.2014 - Mar.2015
    Part-time Lecturer, Hiroshima Shudo University, Hiroshima, Japan.
Feb.2013 - (Current)
    Visiting Researcher, Policy Research Institute, Ministry of Finance, Tokyo, Japan.
Sep.2011 - Mar.2015
    Assistant Professor, the Graduate School of Social Sciences, Hiroshima University, Hiroshima, Japan.
Apr.2010 - Sep.2011
    Researcher, The Research Center for Advanced Policy Studies, Institute of Economic Research, Kyoto University, Kyoto, Japan.
Apr.2010 - Sep.2011
    Part-time Lecturer, Ryukoku University, Kyoto, Japan.
Apr.2010 - Aug.2011
    Part-time Lecturer, Konan University, Hyogo, Japan.
Oct.2009 - Feb.2010
    Research Assistant, Institute of Economic Research, Kyoto University, Kyoto, Japan. (Prof. Akihisa Shibata)
Jun.2009 - Sep.2009
    Research Assistant, Institute of Economic Research, Kyoto University, Kyoto, Japan. (Prof. Kenn Ariga)
Oct.2008 - Mar.2009
    Research Assistant, Institute of Economic Research, Kyoto University, Kyoto, Japan. (Prof. Akihisa Shibata)
Jun.2008 - Sep.2008
    Teaching Assistant, Graduate School of Management, Kyoto University, Kyoto, Japan. (Prof. Tetsuro Shimamoto)
Oct.2007 - Feb.2008
    Research Assistant, Institute of Economic Research, Kyoto University, Kyoto, Japan. (Prof. Akihisa Shibata)
Apr.2006 - Mar.2011
    Part-time Teacher, TAC Co.Ltd., Kyoto, Japan.

Report of Teaching

2014   Introductory Economics; 2nd-4th year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Human Environmental Studies, Hiroshima Shudo University, Hiroshima, Japan.
2012-2014   Introductory Seminar for First-Year Students; 1st year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Economics, Hiroshima University, Hiroshima, Japan.
2012-2014   Public Finance 3; 3rd-4th year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Economics, Hiroshima University, Hiroshima, Japan.
2012-2013   Topics in Economic Analysis ; 1st-2nd year graduate students; 2 hour sessions per week for 15 weeks.
    Graduate School of Social Sciences, Hiroshima University, Hiroshima, Japan.
2012-2013   Public Finance 4; 3rd-4th year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Economics, Hiroshima University, Hiroshima, Japan.
2012   Current and Future Situation on Japan's Public Finance; 1st-2nd year high school students; single presentation in the career research seminar.
    Motomachi High School, Hiroshima, Japan.
2012   Contemporary Economic Issues; 2st year undergraduate students; 2 hour sessions per week for a week.
    Faculty of Economics, Hiroshima University, Hiroshima, Japan.
2011   Topics in Economic Analysis (Economics of Fiscal Sustainability); 1st-2nd year graduate students; 2 hour sessions per week for 15 weeks.
    Graduate School of Social Sciences, Hiroshima University, Hiroshima, Japan.
2011   Special Lecture (Fiscal Policy); 3rd-4th year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Economics, Hiroshima University, Hiroshima, Japan.
2010-2011   Introductory to Microeconomics; 1st year undergraduate students; 2 hour sessions per week for 15 weeks [2 classes].
    Faculty of Economics, Konan University, Hyogo, Japan.
2010-2011   Macroeconomics; 3rd-4th year undergraduate students; 2 hour sessions per week for 15 weeks.
    Faculty of Business Administration, Ryukoku University, Kyoto, Japan.
2010-2011   Introductory to Macroeconomics; 1st year undergraduate students; 2 hour sessions per week for 15 weeks [2 classes].
    Faculty of Economics, Konan University, Hyogo, Japan.


About My Researches

These files are almost PDF format. You can read them with Acrobat Reader.


Refereed Journal Papers

Arai R. and Nakazawa, M. (2014), "A Numerical Analysis of Japan's Fiscal Sustainability in a Simple OLG Model", Applied Economics Letters, Vol.21, pp.1194-1197. [journal site, external link]
Manuscript version is here [PDF format] (Updated in 2014.06.16.)

Arai R. and Ueda J. (2013), "A Numerical Evaluation of the Sustainable Size of the Primary Deficit in Japan", Journal of the Japanese and International Economies, Vol.30, pp. 59-75. [journal site, external link]
The revised version is here [PDF format] (Updated in 2013.10.05.),KIER DP version, PRI DP version

Arai R. (2011), "Productive Government Expenditure and Fiscal Sustainability", FinanzArchiv (Public Finance Analysis), Vol. 67, No. 4, pp. 327-351. [journal site, external link]
The revised version is here [PDF format]. (Updated in 2011.09.18.)


Non-Refereed Journal Papers

Ishikawa, D., Nakagawa, M., Nakazawa, M., Arai R. and Ueda J. (2014), "Structure of a Multi-Sector OLG Model in an Open Economy and its Simulation Results for Japan --- a Quantitative Analysis of Japan's Accelerating Demographic Change on the Economic Structure in the Coming Decades", Financial Review, Vol.117, pp. 96-120 (in Japanese). [journal site, external link (in Japanese)]


Working Papers

Arai R. and Naito, K., (2014), "A Politico-economic Approach on Public Debt in an Endogenous Growth Economy", MPRA Working Paper No.56213, Munich Personal RePEc Archive. [external link, PDF format, ]

Arai R., Kunieda T., and Nishida K. (2014), "Is Public Debt Growth-Enhancing or Growth-Reducing?", KIER Discussion Paper No.884, Kyoto University. [external link, PDF format]
An earlier version: Arai R., Kunieda T., and Nishida K. (2013), "Is Public Debt Growth-Enhancing or Growth-Reducing?", Department of Economics and Finance Working Paper No.2012037, City University of Hong Kong. [external link, PDF format]

Ishikawa D., Ueda J., and Arai R. (2012), "Future Changes of the Industrial Structure due to Aging and Soaring Demands for Health Care Services in Japan --- an Analysis Using a Multi-Sector OLG Model in an Open Economy", PRI Discussion Paper Series No.12A-14, Ministry of Finance Japan. [external link, PDF format]

Arai R. and Kunieda T. (2011), "Sustainability of Fiscal Policy Rules and Credit Constraints: Theory and Evidence", Department of Economics and Finance Working Paper No.2011001, City University of Hong Kong. [external link, PDF format]
An earlier version: Arai R. and Kunieda T. (2010), "Sustainable Public Debt, Credit Constraints, and Social Welfare ", KIER Discussion Paper No.732, Kyoto University. [external link, PDF format]



Presentations

Jun.2014, "A Politico-economic Approach on Public Debt in an Endogenous Growth Economy",
    2014 Public Economics Workshop, Hitotsubashi University, Japan.
Mar.2014, "A Numerical Analysis of Japan's Fiscal Sustainability in a Simple OLG Model",
    SMU-NTU-HUE-HU International Conference on Economics and Econometrics, Hiroshima University, Japan.
Feb.2014, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Macro Money Workshop, Hitotsubashi University, Japan.
Jan.2014, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    KMSG seminar, Kwansei Gakuin University, Japan.
Dec.2013, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    DSGE conference 2013, Kyoto University, Japan.
Nov.2013, "A Politico-economic Approach on Public Debt in an Endogenous Growth Economy",
    2013 the Japan Public Choice Society Meeting, Komazawa University, Japan.
Nov.2013, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Macroeconomics Seminar, Osaka University Nakanoshima Center, Japan.
Oct.2013, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Economics Workshop, Tezukayama University, Japan.
Sep.2013, "A Numerical Analysis of Japan’s Fiscal Sustainability in a Simple Overlapping Generations Model",
    CAPS seminar, Kyoto University, Japan.
Aug.2013, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    The 69th Annual Congress of the International Institute of Public Finance, Hotel Villa Diodoro, Italy.
Aug.2013, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Singapore Economic Review Conference 2013, Mandarin Orchard Singapore, Singapore.
Mar.2013, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Joint NTU-Hiroshima Workshop, Nangyan Technological University, Singapore.
Mar.2013, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    Western Economic Association International 10th Biennial Pacific Rim Conference,Keio University, Japan.
Nov.2012, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Okayama University Economic Seminar, Okayama University, Okayama, Japan.
Nov.2012, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    Seminar of the Faculty of Economics, Shiga University, Shiga, Japan.
Nov.2012, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Institute of Economic Research Seminar, Nagoya City University, Aichi, Japan.
Oct.2012, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    Japanese Institute of Public Finance 2012 Annual Conference,Awaji Yumebutai International Conference Center, Hyogo, Japan.
Oct.2012, "Is Public Debt Growth-Enhancing or Growth-Reducing?",
    Macroeconomics and Econophysics Workshop,Senshu University, Tokyo, Japan.
Oct.2012, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    2012 Japanese Economic Association Autumn Meeting (Oral Session),Kyushu Sangyo University, Fukuoka, Japan.
Jun.2012, "A Numerical Evaluation on a Sustainable Size of Primary Deficit in Japan",
    Kansai Public Economics Seminar, Kwansei Gakuin University, Osaka, Japan.
Mar.2012, "A Numerical Evaluation on Sustainable Size of Primary Deficit in Japan",
    Seminar on "Sophistication and Expansion of Marcoeconometrics Models and Long-run Simulations of Public Finance and Macroeconomics", Policy Research Institute, Ministry of Finance Japan.
Oct.2011, "A Numerical Evaluation on the Size of Sustainable Fiscal Deficit in Japan",
    Seminar of Human Economy Research Group, Institution of Economic Research, Chuo University, Tokyo, Japan.
Apr.2011, "Sustainable Public Debt, Credit Constraints, and Social Welfare",
    Royal Economic Society 2011 Annual Conference,Royal Holloway, University of London, UK.
Jan.2011, "Markov Perfect Equilibria with Public Debt in a Political Economy",
    The Center for Advanced Economic Study (CAES) Seminar, Fukuoka University, Fukuoka, Japan.
Nov.2010, "Markov Perfect Equilibria with Public Debt in a Political Economy",
    Economic Theory and Policy Workshop, Tokyo Metropolitan University, Tokyo, Japan.
Sep.2010, "Sustainable Public Debt, Credit Constraints, and Social Welfare",
    2010 Japanese Economic Association Autumn Meeting (Oral Session), Kwansei Gakuin University, Hyogo, Japan.
Sep.2010, "Sustainable Public Debt, Credit Constraints, and Social Welfare",
    Kyoto University Macroeconomics Seminar, Kyoto University, Kyoto, Japan.
Aug.2010, "Sustainable Public Debt, Credit Constraints, and Social Welfare",
    Summer Workshop on Economic Theory 2010, Hokkaido University, Hokkaido, Japan.
Apr.2010, "Sustainable Fiscal Policy, Credit Constraints, and Economic Growth",
    Kyoto University Brown Bag Lunch Seminar, Kyoto University, Kyoto, Japan.
Jun.2009, "Productive Government Expenditure and Fiscal Sustainability",
    2009 Japanese Economic Association Spring Meeting (Oral Session), Kyoto University, Kyoto, Japan.
Mar.2009, "Productive Government Expenditure and Fiscal Sustainability",
    Kansai Economic Seminar for Graduate School, Osaka University, Osaka, Japan.

Reports

2012, "Sophistication and Expansion of Macroeconometrics Models and Long-run Simulations of Public Finance and Macroeconomics", Institute of Economic Research, Kyoto University (in Japanese).
[I coauthor Chapter 5, "Future Changes of the Industrial Structure due to Aging and Soaring Demands for Health Care Services in Japan --- an Analysis Using a Multi-Sector OLG Model in an Open Economy" with Ishikawa, D., J. Ueda and R. Arai,
and Chapter 6, "An Numerical Analysis on Maximum Sustainable Size of Primary Deficits in Japan" with Arai, R. and J. Ueda.]

2011, "Sophistication and Expansion of Macroeconometrics Models for Prediction of Public Finance and Economy", Institute of Economic Research, Kyoto University (in Japanese).
[I coauthor Chapter 9, "Simulation in an Overlapping Generations Model" with Ueda J., D. Ishikawa, R. Arai, and R. Ishida.]


Grants

Principal Investigator

Co-Investigator

Referee Activity

Journal of Public Economics (3+), Journal of Economics, Singapore Economic Review, Economic Modelling



Discussant and Chair

Discussant
Oct.2014, Ikeda, R., "An Increase in Consumption Tax and Frictional Unemployment",
    Japanese Institute of Public Finance 2014 Annual Conference, Chokyo University, Aichi, Japan.
Jun.2014, Ko, J.H., "Fiscal Sustainability and Regime Shifts in Japan",
    2014 Japan Economic Association Spring Meeting, Doshisha University, Japan.
Nov.2013, Mizuno, N., "Political Structure as a Legacy of Indirect Colonial Rule: Bargaining between National Governments and Rural Elites in Africa",
    2013 the Japan Public Choice Society Meeting, Komazawa University, Japan.
Aug.2013, Hou, Y., "A Rule-based Time-consistent Path of Debt Use for Subnational Governments",
    The 69th Annual Congress of the International Institute of Public Finance, Hotel Villa Diodoro, Italy.
Jul.2013, Yamada, J., "Fiscal Consolidation and Intergenerational Inequality in Japan",
    The Ninth Annual Conference of the Asia-Pacific Economic Association, Osaka University, Japan.
Chair
Jul.2013, (Chair) session 6C, "Open economy and Regional Integration",
    The Ninth Annual Conference of the Asia-Pacific Economic Association, Osaka University, Japan.

Organizer


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