OKAMOTO

OKAMOTO, Akira　(岡本　章：岡山大学教授)
Professor, Okayama University. 　e-mail: okamot-a(at)okayama-u.ac.jp

Degrees:
Ph.D., Kyoto University

Research Interests:
Public Economics, Social Security, Economic Demography, Regional Revitalization

Awards and Fellowships:
Fulbright Award (2010): University of California, Berkeley （フルブライト奨学金研究員）

Abe Fellowship (2015): University of California, Berkeley （安倍フェロー）

安倍フェローシップ・プログラム

2019

日本学術振興会より科研費審査委員として表彰される。（2016）

Books:

Okamoto, A. (2004) Tax Policy for Aging Societies: Lessons from Japan, Springer.

(Book Reviews: Sato, M. (2005) The Quarterly of Social Security Research 40 (4), 400-402;
　　　　　　　 Seidman, L. (2007) Journal of Pension Economics and Finance 6 (1), 88-89;
　　　　　　　　Murakami, M. (2014) Okayama Economic Review 46 (2), 255-261).

Selected Publications: (* Web of Science publication papers)

Okamoto, A. and T. Tachibanaki (2002) "Integration of Tax and Social Security Systems: On the Financing Methods of a Public Pension Scheme in a Pay-as-you-go System," in Social Security Reform in Advanced Countries edited by T. Ihori and T. Tachibanaki, Routledge, London and New York, Chapter 7, 132-160.

*Okamoto, A. (2005) "Simulating Progressive Expenditure Taxation in an Aging Japan," Journal of Policy Modeling 27 (3), 309-325.

*Okamoto, A. (2005) "Simulating Fundamental Tax Reforms in an Aging Japan," Economic Systems Research 17 (2), 163-185.

Okamoto, A. (2006) "An Optimal Rate of the National Burden in an Aging Japan," Kyoto Economic Review 75 (1), 13-34.

*Okamoto, A. (2007) "Optimal Tax Combination in an Aging Japan," International Economic Journal 21 (1), 91-114.

Okamoto, A. (2009) "Tax Policy in Aging Japan," Journal of International Economic Studies 23, 43-58.

*Okamoto, A. (2010) "Public Pension Reform in Japan," Economic Analysis and Policy 40 (2), 179-208.

*Okamoto, A. (2013) "Welfare Analysis of Pension Reforms in an Ageing Japan," The Japanese Economic Review 64 (4), 452-483.

Okamoto, A. (2013) "Simulating Public Pension Reforms in an Aging Japan: Welfare Analysis with LSRA Transfers," Public Policy Review 9 (4), 597-632.

*Okamoto, A. (2020) "Childcare Allowances and Public Pensions: Welfare and Demographic Effects in an Aging Japan," The B.E. Journal of Economic Analysis and Policy 20 (2), Article 20190067.

*Okamoto, A. (2021) "Immigration Policy and Demographic Dynamics: Welfare Analysis of an Aging Japan," Journal of the Japanese and International Economies 62, Article 101168.

*Okamoto, A. (2022) "Intergenerational Earnings Mobility and Demographic Dynamics: Welfare Analysis of an Aging Japan," Economic Analysis and Policy 74, 76-104.

*Okamoto, A. (2024) "The Optimum Quantity of Debt for an Aging Japan: Welfare and Demographic Dynamics," The Japanese Economic Review (forthcoming).

Other Publications:

橘木俊詔・岡本章 (1997) 「社会保障負担は“累進消費税”の導入で賄え」『週刊エコノミスト』, 毎日新聞社, 第75巻第12号, 76-79.

Okamoto, A. (2002) Comments on "Effect of Economic Crisis on Income Distribution in Korea" by Professor Jun Young Kim,Workshop on Efficiency and Equity in Public Finance, Economic and Social Research Institute (ESRI), Cabinet Office (Government of Japan), Chapter 4, 63-66.

*Okamoto, A. (2005) "Introduction of Progressive Expenditure Taxation to Japan," Okayama Economic Review 36 (4), 193-201.

岡本章 (2007) 「少子高齢化と租税政策」橘木俊詔編著『日本経済の実証分析』, 東洋経済新報社, 第５章, 91-116.

岡本章 (2007) 「少子高齢化と国民負担率」橘木俊詔編著『政府の大きさと社会保障制度』, 東京大学出版会, 第２章, 67-94.

岡本章・島俊彦 (2007) 「基礎年金・最低保障年金の分析」橘木俊詔編著『政府の大きさと社会保障制度』, 東京大学出版会, 第４章, 121-153.

橘木俊詔・岡本章・川出真清・畑農鋭矢・宮里尚三 (2007) 「国民の受益・負担と政府の大きさ」橘木俊詔編著『政府の大きさと社会保障制度』, 東京大学出版会, 第１章, 31-66.

橘木俊詔・岡本章・川出真清・畑農鋭矢・宮里尚三・島俊彦・石原章史 (2007) 「望ましい財源調達手段」橘木俊詔編著『政府の大きさと社会保障制度』, 東京大学出版会, 第３章, 95-120.

Okamoto, A. (2007) "Public Pension Reform in Japan: Is the Swedish Pension System Useful?" Empirical Studies on Public Pension Systems towards the Balance between Equity and Sustainable Development of the Pension System under the Change in Japanese Economy, ESRI International Collaboration Projects 2006, ESRI, Cabinet Office, Chapter 4, 87-130.

岡本章 (2008) 「日本の公的年金改革」（日韓特別セッション）日本財政学会叢書『財政研究』第４巻, 有斐閣, 92-102.

Okamoto, A. and T. Shima (2010) "Welfare Analysis of Progressive Expenditure Taxation in Japan," Okayama Economic Review 42 (2), 47-76.

岡本章 (2013) 「少子高齢・人口減少社会における公的年金改革」財務省財務総合政策研究所『フィナンシャル・レビュー』第115号, 23-52.

岡本章 (2016) 「年金給付削減は政治的に実現できるのか」『中央公論』第130巻第7号, 42-54.

6月26日日本経済新聞朝刊21面「経済論壇から」（経済学者・土居丈朗慶應大教授）で紹介されました。
6月27日読売新聞朝刊14面「思潮(opinion)論壇誌6月私の3編」（政治学者・久米郁男早稲田大教授）で紹介されました。
6月30日朝日新聞朝刊13面「論壇時評」（歴史社会学者・小熊英二慶應大教授）で紹介されました。
7月8日　フォーリン・プレスセンター「今月の雑誌から」で紹介されました（日本語版）。
7月18日産経新聞朝刊東京版15面「広角レンズ」で紹介されました。

内山惠一・岡本章 (2016) 『「狛江市議会に世代別選挙区制度を」提案者に聞く』『中央公論』第130巻第7号, 54-57（インタビュー記事）.

岡本章 (2017) 「シルバー民主主義を考える ―選挙制度の大胆改革急げ―」『経済教室』 5月5日, 日本経済新聞朝刊（17面).

岡本章 (2019) 「所得階層の移動促進、社会全体の損失回避を」政策ブログ『財政・社会保障研究会』 6月5日, 日本経済研究センター.

Okamoto, A. (2020) "Silver Democracy and Electoral System: Political Feasibility of Policy Reform Plans in an Aging Japan," Okayama Economic Review 51 (2/3), 123-129.

岡本章 (2021) 「実質賃金が増える政府債務の規模」政策ブログ『財政・社会保障研究会』 6月2日, 日本経済研究センター.

岡本章 (2021) 「新型コロナウイルスと人口減少」政策ブログ『財政・社会保障研究会』 10月27日, 日本経済研究センター.

岡本章 (2022) 「コロナ危機と地方創生 ―地域の持続可能性を評価する新たな指標―」『岡山大学産業経営研究会研究報告書』第55集 1-32.

岡本章 (2023) 「少子化・人口減対策／出産、育児の安心感醸成を」『2023 統一地方選特別寄稿』、4月6日、山陽新聞朝刊（３面）.

Oral Presentations:

Okamoto, A. (2002) "Within-Cohort Inequality and Tax Reforms in Aging Japan." Paper presented at the International Forum on Tax Reforms in Japan, ESRI, Cabinet Office, September.

Okamoto, A. (2014) "Pay-as-you-go Social Security and Child Allowances: Welfare Analysis Using a Lifecycle Growth Model with Endogenous Fertility." Paper presented at the 2014 Spring Meeting of the Japanese Economic Association. Kyoto, June.

Okamoto, A. (2015) "Child Allowances and Public Pension: Welfare Effects of their Reforms and Political Feasibility under the Silver Democracy." Paper presented at the 2015 Spring Meeting of the Japanese Economic Association. Niigata, May.

Okamoto, A. (2015) "Child Allowances and Public Pensions: Welfare Effects and Political Feasibility of Reforms in a Silver Democracy." Paper presented at the International Symposium on Demography and Pensions. Okayama, December.

Okamoto, A. (2016) "The Optimum Quantity of Debt for a Depopulating and Aging Japan: Welfare Level or Future Population?" Paper presented at the 2016 Spring Meeting of the Japanese Economic Association. Nagoya, June.

Okamoto, A. (2017) "The Optimum Quantity of Debt for a Depopulating and Aging Japan: Welfare Level or Future Population?" Paper presented at the 13th Irvine-Japan Conference on Public Policy. Irvine, Febraury.

Okamoto, A. (2019) "Simulating the Comprehensive Effects of Intergenerational Earnings Mobility in an Aging Japan." Paper presented at the International Symposium on Business and Economic Studies. Okayama, November.

Okamoto, A. (2024) "Pension Reform for an Aging Japan: Welfare and Demographic Dynamics." Paper presented at the AGI (Asian Growth Research Institute) Seminar, March (Invited Lecture).

Work in Progress:

2023年度文部科学省科学研究費補助金採択課題「人口減少社会における公共政策の定量分析：厚生評価と将来の人口水準の観点から」（基盤研究(C) 23K01350：2023年度～2027年度）.

"Pension Reform for an Aging Japan: Welfare and Demographic Dynamics" (2024) Okayama University Discussion Paper No. I－118.

Quantative Analysis on Demographic Dynamics and Intergenerational Income-Class Mobility by an Overlapping-generations Model with Endogenous Fertility (KAKEN: 20K01679): 工学部との学際的共同研究

岡山大学のプレスリリース（2015年7月）

Akira Okamoto
Yoshinari Nomura (Associate Prof. Dept. Computer Science, Okayama Univ.)
Kazuki Matsuo (M2. Dept. Computer Science, Okayama Univ.)

Refereeing (Reviewing) Experience:

・ National Tax Journal　・ The B.E. Journal of Economic Analysis and Policy　・ Review of Income and Wealth

・ International Economic Journal　・ Socio-Economic Planning Sciences　・ Journal of Pension Economics and Finance

・ Japan and the World Economy (2)　・ Journal of the Japanese and International Economies (2)

・ Review of Socionetwork Strategies　・ Economic Science　・ Palgrave Macmillan (book proposal)

・日本財政学会叢書『財政研究』 (2)　・『会計検査研究』 (2)