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HARUYAMA Tetsugen
Graduate School of Economics / Division of Economics
Professor

Researcher basic information

■ Degree
  • DOCTOR OF PHILOSOPHY
■ Research Keyword
  • 経済成長,技術進歩
■ Research Areas
  • Humanities & social sciences / Theoretical economics
■ Committee History
  • Jun. 2014 - Jun. 2016, 日本経済学会, 代議員
  • Jun. 2012 - Jun. 2014, 日本経済学会, 代議員
  • Oct. 2006 - Sep. 2008, 神戸大学・経済経営学会, 国民経済雑誌・編集委員

Research activity information

■ Paper
  • Tetsugen Haruyama
    Abstract Data show that an increase in the Gini coefficient is associated with a falling bottom $p_{B}$ % income share and an increasing top $p_{T}$ % income share where, for example $p_{B}$ = 40 and $p_{T}$ = 1. This relationship, which we call the $X$ inequality relationship, is pervasive in the sense that it is observed in many countries, including the US, the UK, France and others. The purpose of this paper is (i) to construct a Schumpeterian growth model to explain the relationship, and (ii) to identify/quantify factors behind it via calibration of the US economy. Our model gives rise to a double-Pareto distribution of income as a result of entrant and incumbent innovations. Its advantage is that it allows us to develop iso-Gini loci and iso-income share schedules in a tractable way. Using a double-Pareto distribution as an approximation of an underlying income distribution, calibration analysis reveals that a declining business dynamism and fiscal policy changes in the past decades played a significant role in generating the $X$ inequality relationship in the US.
    Cambridge University Press (CUP), Oct. 2024, Macroeconomic Dynamics, 29(e49) (e49), English
    [Refereed]
    Scientific journal

  • On Demand Shocks and Supply Shocks: State-Space Analysis of AD-AS Model
    春山鉄源
    Sep. 2023, Journal of economics and business administration, 227(5) (5)

  • On Entrant and Incumbent Innovations
    春山鉄源
    Nov. 2021, 国民経済雑誌, 224(5) (5), 1 - 12

  • Tetsugen Haruyama, Ken-ichi Hashimoto
    Jul. 2020, JOURNAL OF ECONOMICS, 130(2) (2), 157 - 186, English
    [Refereed]
    Scientific journal

  • Tetsugen Haruyama
    Oct. 2018, BULLETIN OF ECONOMIC RESEARCH, 70(4) (4), 452 - 458, English
    [Refereed]
    Scientific journal

  • Innovation by Incumbents in a Variety-Expansion Model of Economic Growth
    春山鉄源
    May 2018, 国民経済雑誌, 217(5) (5), 23 - 35

  • Tetsugen Haruyama, Laixun Zhao
    Academic Press, Sep. 2017, Research in Economics, 71(3) (3), 540 - 563, English
    [Refereed][Invited]
    Scientific journal

  • Laixun Zhao, Tetsugen Haruyama
    Aug. 2017, WORLD ECONOMY, 40(8) (8), 1646 - 1666, English
    [Refereed]
    Scientific journal

  • Tetsugen Haruyama, Hyun Park
    Feb. 2017, ECONOMIC MODELLING, 61(February) (February), 235 - 247, English
    [Refereed]
    Scientific journal

  • Haruyama Tetsugen
    Kobe University, May 2016, Journal of economics and business administration, 213(5) (5), 33 - 45, Japanese

  • HARUYAMA TETSUGEN
    Kobe University, May 2014, 国民経済雑誌, 209(5) (5), 1 - 14, Japanese
    Scientific journal

  • HARUYAMA TETSUGEN, ASHIYA MASAHIRO, HAMORI SHIGEYUKI
    Kobe University, 2013, Kobe University Economic Review, 59, 1 - 23, English
    Research institution

  • 確率的バラエティ拡大モデル
    HARUYAMA Tetsugen
    Kobe University, Jun. 2012, 国民経済雑誌, 第205巻第6号(6) (6), 41 - 49, Japanese
    Scientific journal

  • Tetsugen Haruyama, Campbell Leith
    Sep. 2010, JAPANESE ECONOMIC REVIEW, 61(3) (3), 301 - 319, English
    [Refereed]
    Scientific journal

  • Tetsugen Haruyama
    Oct. 2009, JOURNAL OF ECONOMIC DYNAMICS & CONTROL, 33(10) (10), 1761 - 1778, English
    [Refereed]
    Scientific journal

  • Tetsugen Haruyama
    Sep. 2009, SCOTTISH JOURNAL OF POLITICAL ECONOMY, 56(4) (4), 390 - 414, English
    [Refereed]
    Scientific journal

  • Perfect Competition and Technical Progress
    Haruyama Tetsugen
    Kobe University, Jan. 2008, Journal of economics and business administration, 197(1) (1), 79 - 93, Japanese

  • HARUYAMA Tetsugen
    Kobe University, Nov. 2006, 国民経済雑誌, 第194巻(第5号) (第5号), 57 - 68, Japanese
    Scientific journal

  • Tetsugen Haruyama, Jun-ichi Itaya
    Springer Science and Business Media LLC, Feb. 2006, Journal of Economics, 87(2) (2), 99 - 126
    Scientific journal

  • R&D Subsidy and Indeterminacy
    Tetsugen Haruyama
    京都大学数理解析研究所, Jul. 2005, 『経済の数理解析』(数理解析研究所講究録), No.1443, 65 - 80, English
    Scientific journal

  • Political Uncertainty, Public Expenditure and Growth
    Tetsugen Haruyama, Julia Darby, Anton Muscatelli
    Mar. 2004, European Journal of Political Economy, Vol.20,issue 1,153-179, English
    [Refereed]
    Scientific journal

  • Growth, Knowledge Structure, and Multiple Equilibria
    Tetsugen Haruyama
    Nova Publishers (ed Albert Tavidze), 2004, Progress in Economic Research, Vol.7,113-136, English
    Scientific journal

  • Endogenous growth without scale effects: Comment
    CW Li
    Jun. 2003, AMERICAN ECONOMIC REVIEW, 93(3) (3), 1009 - 1017, English
    [Refereed]
    Scientific journal

  • Wage Inequality and the Effort Incentive Effects of Technological Progress
    Tetsugen Haruyama, Campbell Leith, Cecilia Garcia-Penalosa
    2003, Inequality and Growth: Theory and Policy Implications, 293-317, 293 - 317, English
    [Refereed]
    Scientific journal

  • Growth and scale effects: the role of knowledge spillovers
    CW Li
    Jan. 2002, ECONOMICS LETTERS, 74(2) (2), 177 - 185, English
    [Refereed]
    Scientific journal

  • Science, diminishing returns and long waves
    CW Li
    Oct. 2001, MANCHESTER SCHOOL, 69(5) (5), 553 - 573, English
    [Refereed]
    Scientific journal

  • On the policy implications of endogenous technological progress
    CW Li
    May 2001, ECONOMIC JOURNAL, 111(471) (471), C164 - C179, English
    [Refereed]
    Scientific journal

  • Growth and output fluctuations
    CW Li
    May 2000, SCOTTISH JOURNAL OF POLITICAL ECONOMY, 47(2) (2), 95 - 113, English
    [Refereed]
    Scientific journal

  • Endogenous vs. semi-endogenous growth in a two-R&D-sector model
    CW Li
    Mar. 2000, ECONOMIC JOURNAL, 110(462) (462), C109 - C122, English
    [Refereed]
    Scientific journal

■ MISC
  • A Schumpeterian Microfoundation of the Geometric Brownian Motion of Firm Size and Zipf’s Law
    Tetsugen Haruyama
    May 2024, Discussion Paper No. 2403, Kobe University

  • Pythonのすすめ
    春山鉄源
    神戸大学経済経営学会, 2021, 経済学・経営学学習のために, 前期号, 17 - 26

  • 逐次的テークオフにより広がる経済間の所得格差
    春山鉄源
    Oct. 2018, Discussion Paper No. 1826, Kobe University

  • The Patent-issuing Rules and Economic Growth: Are We in a “Wrong” Patent Regime?
    Tetsugen Haruyama, Kaz Miyagiwa
    Jan. 2018, Economics Research Working Paper Series, No.127. Florida International University

  • 「豊かさ」と経済学
    春山鉄源
    神戸大学経済経営学会, 2012, 経済学・経営学学習のために, 前期号, 11 - 22

  • Demographic Changes, Fiscal Policy and Economic Growth: Theory and Evidence
    Haruyama Tetsugen, Ashiya Masahiro, Hamori Shigeyuki
    神戸大学大学院経済学研究科 / 神戸大学経済学部, Sep. 2007, 神戸大学経済学研究科 Discussion Paper, 712, English

  • 経済成長
    春山鉄源
    神戸大学経済経営学会, 2006, 経済学・経営学学習のために, 前期号, 31 - 40

■ Books And Other Publications
  • 経済学の歩き方
    神戸大学経済経営学会 編集委員会
    Contributor, 2.4 Pythonによるマクロ経済分析, 神戸大学経済経営学会, Mar. 2023, 61-67
    Textbook

  • ハンドブック経済学[改訂版]
    神戸大学経済経営学会
    Contributor, 3. マクロ経済学, ミネルヴァ書房, Mar. 2016, Japanese, ISBN: 4623076725
    Textbook

  • 現代経済学の潮流
    小川 一夫, 塩路 悦朗, 芹澤 成弘, 神取 道宏 [編]
    Contributor, 第4章 R&D生産性の異なる企業によるパテント・レース, 東洋経済新報社, Jul. 2013, 143-184, ISBN: 4492314385
    [Refereed]
    Scholarly book

  • 人口減少と持続可能な経済成長 (新しい日本型経済パラダイム 第 1巻)
    三谷 直紀
    Contributor, 第5章 完全競争下でのイノベーション, 勁草書房, Nov. 2007, 125-152, Japanese, ISBN: 4326502932
    Scholarly book

  • 経済学研究のために
    神戸大学経済経営学会 編集委員会
    Contributor, I.6 経済成長理論, 神戸大学経済経営学会, Apr. 2006
    Textbook

■ Lectures, oral presentations, etc.
  • A Shumpeterian Microfoundation of the Geometric Brownian Motion of Firm Size and Zipf's Law
    春山鉄源
    第 643 回経済学会例会 神戸大学経済学研究科, Jun. 2025

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    Tetsugen HARUYAMA
    BK21 Thursday Seminar, Sungkyunkwan University, Sep. 2024
    [Invited]

  • A Shumpeterian Microfoundation of the Geometric Brownian Motion of Firm Size and Zipf's Law
    Tetsugen HARUYAMA
    Singapore Economic Review Conference 2024, English
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    Tetsugen Haruyama
    2023 Symposium on Economics and Finance in the Asia-Pacific, English
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    Tetsugen HARUYAMA
    Asian Meeting of Econometric Society, Jul. 2023, English, Econometric Society, Nanyang Technological University, Singapore, International conference
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    Tetsugen HARUYAMA
    福岡大学経済学部・第 154 回研究会, Jul. 2023

  • Innovating with a Pareto Distribution And Pareto Inefficiency
    春山鉄源
    関西マクロ経済学研究会, Apr. 2022, 大阪大学豊中キャンパス, Japan

  • International Kuznetz Curve(?) and A Schumpeterian Model of the World Economy
    Tetsugen Haruyama
    Asian Meeting of the Econometric Society, Jun. 2021, English, Econometric Society, 遠隔, Malaysia, International conference
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    春山鉄源
    SAET Conference, Jun. 2021, English, Society for the Advancement of Economic Theory, バーチャル, Korea, Republic of, International conference
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    春山鉄源
    第 601 回経済学会例会, May 2021, 神戸大学経済学研究
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    春山鉄源
    日本経済学会春季大会, May 2021, International conference
    Oral presentation

  • A Schumpeterian Exploration of Gini and Top/Bottom Income Shares
    Tetsugen HARUYAMA
    IEFS Japan Annual Meeting, Mar. 2021, English, International Economics and Finance Society, International conference
    Oral presentation

  • International Kuznetz Curve(?) and A Schumpeterian Model of the World Economy
    春山鉄源
    日本経済学会春季大会, May 2020
    Oral presentation

  • Sequential Takeoffs and Global Kuznets Curve in a Schumpeterian World Economy
    春山鉄源
    神戸大学・六甲フォーラム, 2018

  • Are We in a "Wrong" Patent Regime? The Patent-awarding Rules and Economic Growth
    HARUYAMA TETSUGEN
    日本経済学会秋季大会, Sep. 2017, Japanese, 青山学院大学, Domestic conference
    Oral presentation

  • Comment on "Regional Differences in Economic Growth: A Political Economy Approach"
    HARUYAMA TETSUGEN
    日本経済学会・春季大会, May 2015, Japanese, 新潟大学, Domestic conference
    Others

  • Comment on "A Patentability Requirement and Industries Targeted by R&D"
    HARUYAMA TETSUGEN
    若手経済学者のためのマクロ経済学コンファレンス, Mar. 2015, Japanese, 大阪大学中之島センター, Domestic conference
    Others

  • Economic Growth, Patent Race, and the Distribution of R&D Firms
    HARUYAMA TETSUGEN
    The 5th Asia-Pacific Innovation Conference, Nov. 2014, English, University of Technology, Sydney, Australia, International conference
    Oral presentation

  • Economic Growth, Patent Race, and the Distribution of R&D Firms
    HARUYAMA TETSUGEN
    Asia-Pacific Economic Association Conference, Sep. 2014, English, Korea Institute for Industrial Economics and Trade, Seoul, Korea, International conference
    Oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA TETSUGEN
    Economics Seminar, May 2013, English, University of Glasgow, Adam Smith Business School, International conference
    Oral presentation

  • R&Dと異質企業
    HARUYAMA Tetsugen
    土曜日研究会, Dec. 2012, Japanese, 小樽商科大学, 小樽商科大学, Domestic conference
    Oral presentation

  • R&Dと異質企業
    HARUYAMA TETSUGEN
    日本経済学会・秋 季大会, Oct. 2012, Japanese, 九州産業大学, Domestic conference
    [Invited]
    Invited oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA Tetsugen
    Asia Pacific Innovation Network, Oct. 2012, English, Asia Pacific Innovation Network, Seoul, Korea, International conference
    Oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA Tetsugen
    研究セミナー, Apr. 2012, English, Korea University, Seoul, Korea, International conference
    Invited oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA Tetsugen
    「イノベーションと経済成長」ワークショップ, Feb. 2012, Japanese, 一橋大学イノベーション研究センター, 東京, International conference
    Invited oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA TETSUGEN
    第 509 回経済学会例会, Nov. 2011, Japanese, Domestic conference
    Oral presentation

  • R&D and Heterogeneous Firms
    HARUYAMA Tetsugen
    The Chukyo-Kyoto International Conference on International Trade and Macro Economic Dynamics, Nov. 2011, English, 中京大学, 名古屋, International conference
    Invited oral presentation

  • Emergence of Technological Leaders And Followers in a World Economy
    HARUYAMA Tetsugen
    Asia-Pacific Economic Association Annual Meeting, Jun. 2011, English, Asia-Pacific Economic Association, 釜山、韓国, International conference
    Oral presentation

  • Patents, Industrial Policies, and the Distribution of R&D Firms
    HARUYAMA Tetsugen
    Annual Kobe-Hanyang University Joint Workshop, May 2010, English, 神戸大学, 神戸, International conference
    Oral presentation

  • Trade and Firm Heterogeneity in a Quality-Ladder Model of Growth
    HARUYAMA Tetsugen
    Far Eastern and South Asia Meeting of Econometric Society, Aug. 2009, English, Econometric Society, 東京, International conference
    Oral presentation

  • Comment on “Capital–Skill Complementarity, Labor Mobility, And Aggregate Elasticity of Substitution”
    HARUYAMA TETSUGEN
    日本経済学会・春季大会, Jun. 2009, Japanese, 京都大学, Domestic conference
    Others

  • Trade and Firm Heterogeneity in a Quality-Ladder Model of Growth
    HARUYAMA Tetsugen
    Labor Market Dynamics and Growth, Oct. 2008, English, University of Aarhus, the Sandbjerg Estate, Denmark, International conference
    Oral presentation

  • Trade and Firm Heterogeneity in a Quality-Ladder Model of Growth
    HARUYAMA Tetsugen
    Japanese Economic Association, Sep. 2008, Japanese, 日本経済学会, 大阪, International conference
    Oral presentation

  • Trade and Firm Heterogeneity in a Quality-Ladder Model of Growth
    HARUYAMA Tetsugen
    European Trade Study Group Conference, Sep. 2008, English, European Trade Study Group, Warsaw, Poland, International conference
    Oral presentation

  • Trade and Firm Heterogeneity in a Quality-Ladder Model of Growth
    HARUYAMA Tetsugen
    Trade, Dynamics and Contracts, Jul. 2008, English, 神戸大学経済経営研究科, 神戸, International conference
    Invited oral presentation

  • Quality Innovation, Heterogeneous Firms, and International Trade
    HARUYAMA Tetsugen
    Midwest International Economics Group Conference, Nov. 2007, English, Midwest International Economics Group, Ann Arbor, US, International conference
    Oral presentation

  • Quality Innovation, Heterogeneous Firms and International Trade
    HARUYAMA Tetsugen
    European Trade Study Group Conference, Sep. 2007, English, European Trade Study Group, Athen, Greece, International conference
    Oral presentation

  • Comment on “Dynamic Analysis of Innovation and FDI: the Effects of Patent Protection”
    HARUYAMA TETSUGEN
    日本経済学会・秋季大会, Sep. 2007, Japanese, 日本大学, Domestic conference
    Others

  • Technological Leaders and Followers in a World Economy
    HARUYAMA Tetsugen
    Asia-Pacific Economic Association Annual Meeting, Jul. 2007, English, Asia-Pacific Economic Association, 香港, International conference
    Oral presentation

  • Technological Leaders and Followers in a World Economy
    HARUYAMA Tetsugen
    DEGIT-XII, Jun. 2007, English, Daynamics, Economic Growth and International Trade (DEGIT), Melbourne, Australia, International conference
    Oral presentation

  • Comment on "The Role of Returns to Factors Transition In Demographic Transition"
    HARUYAMA TETSUGEN
    日本経済学会・春季大会, Jun. 2007, Japanese, Domestic conference
    Others

  • Technological Leaders and Followers in a World Economy
    HARUYAMA Tetsugen
    Annual Kobe-Hanyang University Joint Workshop, May 2007, English, Hanyang University, Seoul, Korea, International conference
    Oral presentation

  • 完全競争下でのイノベーション: 形式知と暗黙知が結合生産財のケース
    HARUYAMA Tetsugen
    『技術進歩と経済成長』に関する理論研究集会, Mar. 2007, Japanese, 科学研究費「技術進歩と経済成長に対する知的財産権と競争の長期的効果についての理論的分析」, 静岡県, Domestic conference
    Oral presentation

  • Technological Leaders and Followers in a World Economy
    HARUYAMA Tetsugen
    『技術進歩と経済成長』に関する理論研究集会, Mar. 2007, Japanese, 科学研究費「技術進歩と経済成長に対する知的財産権と競争の長期的効果についての理論的分析」, 静岡県, Domestic conference
    Oral presentation

  • 完全競争下でのイノベーション: 形式知と暗黙知が結合生産財のケース
    HARUYAMA Tetsugen
    COE経済パラダイムに関する研究集会, Jan. 2007, Japanese, 神戸大学経済学研究科, 淡路島、兵庫県, Domestic conference
    Oral presentation

  • Comment on 『新しい日本型産業組織に向けて-競争促進と投資確保のための民営化と規制改革-』 (柳川 隆)
    HARUYAMA Tetsugen
    COE経済パラダイムに関する研究集会, Jan. 2007, Japanese, 神戸大学21世紀COEプログラム「新しい日本経済パラダイムの研究教育拠点」, 淡路島、兵庫県, Domestic conference
    Others

  • Comment on "The Effects of Competition on Exit and Growth" (堀勝彦)
    HARUYAMA Tetsugen
    日本経済学会2006年度秋季大会, Oct. 2006, Japanese, 日本経済学会, 大阪, International conference
    Others

  • Comment on "The Effects of Competition on Exit and Growth"
    HARUYAMA TETSUGEN
    日本経済学会・秋季大会, Oct. 2006, Japanese, 大阪市立大学, Domestic conference
    Others

  • Technological Leaders and Followers in a World Economy
    HARUYAMA Tetsugen
    UBC-Kobe-SFU Macroeconomics Workshop, Sep. 2006, English, 神戸大学経済学研究科, Vancouver, Canada, International conference
    Oral presentation

  • Comment on "Innovation, Licensing, and Imitation"
    HARUYAMA TETSUGEN
    日本経済学会・春季大会, Jun. 2006, Japanese, 福島大学, Domestic conference
    Others

  • Comment on "Innovation, Licensing, and Imitation: The Effects of Intellectual Property Rights Protection and Industrial Policy" (田中仁史,二神孝一、祝迫達郎)
    HARUYAMA Tetsugen
    日本経済学会2006年度春季大会, Jun. 2006, Japanese, 日本経済学会, 福島県, International conference
    Others

  • Emergence of Technological Leaders and Folowers in the World Economy
    HARUYAMA Tetsugen
    研究セミナー, Jan. 2006, Japanese, 小樽商科大学, 小樽, Domestic conference
    Invited oral presentation

  • Comment on "Changes in Perceptions of the Future: Macroeconomic Implications" by 斉藤雅士(日本銀行)
    HARUYAMA Tetsugen
    第4回「現代経済政策研究会議」, Dec. 2005, Japanese, 関西社会経済研究所, 大阪, Domestic conference
    Others

  • Innovation and Symmetry Breaking in a Schumpeterian Savings, Innovation and Economic Growth,
    HARUYAMA Tetsugen
    Savings, Innovation and Economic Growth, Nov. 2005, English, Korea University, Seoul, Korea, International conference
    Invited oral presentation

  • R&D Policy in a Volatile Economy
    HARUYAMA Tetsugen
    2005 German Workshop in Macroeconomics, Jul. 2005, English, Universities W�rzburg and Frankfurt, Frankfurt, Germany, International conference
    Oral presentation

  • R&D Policy in a Volatile Economy
    HARUYAMA Tetsugen
    Growth and Institution, Jun. 2005, English, University of Copenhagen, Copenhagen, Denmark, International conference
    Invited oral presentation

  • R&D Policy In A Volatile Economy
    春山 鉄源
    京都大学数理解析研究所研究集会「経済の数理解析」, Feb. 2005, English, 京都大学数理解析研究所, 京都, Domestic conference
    Others

  • R&D Policy in a Volatile Economy
    HARUYAMA Tetsugen
    京都大学数理解析研究所研究集会『経済の数理解析』, Feb. 2005, English, 京都大学数理解析研究所, 京都, Domestic conference
    Invited oral presentation

  • R&D Policy In A Volatile Economy
    春山 鉄源
    第2回経済理論の国際会議(The 2nd International Conference on Economic Theory), International Journal of Economic Theory, Dec. 2004, English, 未記入, 京都, Domestic conference
    Others

  • R&D Policy in a Volatile Economy
    HARUYAMA Tetsugen
    The 2nd International Conference on Economic Theory, Dec. 2004, English, 京都大学21世紀COEプログラム「先端経済分析のインターフェイス拠点の形成」, 京都, International conference
    Invited oral presentation

  • Competition Promotes Innovation: Five Explanations
    HARUYAMA Tetsugen
    関西マクロ研究会セミナー, Dec. 2004, Japanese, 関西マクロ研究会, 大阪, Domestic conference
    Invited oral presentation

  • Competition Promotes Innovation: Five Explanations
    春山 鉄源
    関西マクロ研究会, Dec. 2004, English, マクロ経済学研究会, 大阪大学, Domestic conference
    Others

  • Competition Promotes Innovation: Five Explanations
    春山 鉄源
    Kobe COE Conference on Economic Theory, Nov. 2004, English, 未記入, 神戸大学, Domestic conference
    Others

  • Is Optimal R&D Policy Optimal? When Is It Not?
    HARUYAMA Tetsugen
    Kobe COE Conference on Economic Theory, Oct. 2004, Japanese, 神戸大学21世紀COEプログラム「新しい日本経済パラダイムの研究教育拠点」, 神戸, Domestic conference
    Invited oral presentation

  • Is Optimal R&D Policy Optimal? When Is It Not?
    春山 鉄源
    Kobe COE Advanced Economic Study Series, Oct. 2004, English, 未記入, 神戸大学, Domestic conference
    Others

  • R&D, Inefficient Cycles and Policy Implications
    春山 鉄源
    AESS International Conference on Economic Theory, Jun. 2004, English, 未記入, 神戸大学, Domestic conference
    Others

  • R&D-based Growth Models
    HARUYAMA Tetsugen
    Special Lecture, Nov. 2003, English, University of Zurich, Zurich, Switzerland, International conference
    Invited oral presentation

  • Competitive Innovation When Codified and Tacit Knowledge are Joint Products
    HARUYAMA Tetsugen
    研究セミナー, Nov. 2003, English, University of Zurich, Zurich, Switzerland, International conference
    Invited oral presentation

  • Competitive Innovation When Codified and Tacit Knowledge are Joint Products
    春山 鉄源
    University of Zurich, Nov. 2003, English, 未記入, University of Zurich, International conference
    Others

  • Competitive Innovation When Codified and Tacit Knowledge are Joint Products
    春山 鉄源
    六甲フォーラム, Jul. 2003, English, 神戸大学経済学研究科, 神戸大学, Domestic conference
    Others

  • Cycles + Semi-endogenous Growth = Endogenous Growth
    HARUYAMA Tetsugen
    研究セミナー, May 2003, English, University of Bari, Bari, Italy, International conference
    Invited oral presentation

  • Cycles + Semi-endogenous Growth = Endogenous Growth
    春山 鉄源
    University of Bari, Italy, May 2003, English, 未記入, University of Bari, Italy, International conference
    Others

  • Cycles + Semi-endogenous Growth = Endogenous Growth
    春山 鉄源
    The Royal Economic Society Annual Conference, Apr. 2003, English, 未記入, Warwick, UK, International conference
    Others

  • Cycles + Semi-endogenous Growth = Endogenous Growth
    HARUYAMA Tetsugen
    Royal Economic Society Annual Meeting, Apr. 2003, English, Royal Economic Society, Warwick, UK, International conference
    [Invited]
    Invited oral presentation

  • Wage Inequality and the Effort Incentive Effects of Technical Progress
    HARUYAMA Tetsugen
    研究セミナー, Aug. 2001, English, 日本銀行, 東京, Domestic conference
    Invited oral presentation

  • Wage Inequality and the Effort Incentive Effects of Technical Progress
    HARUYAMA Tetsugen
    関西マクロ研究会セミナー, Jul. 2001, Japanese, 関西マクロ研究会, 大阪, Domestic conference
    Invited oral presentation

  • Technological Progress and Unemployment: A View from the Labour Supply Side
    HARUYAMA Tetsugen
    研究セミナー, Jul. 2001, English, 小樽商科大学, 小樽, Domestic conference
    Invited oral presentation

  • Technological Progress and Unemployment: A View from the Labour Supply Side
    HARUYAMA Tetsugen
    Far Eastern Meeting of the Econometric Society, Jul. 2001, English, Econometric Society, 神戸, International conference
    Oral presentation

  • On the Policy Implications of Endogenous Technological Progress
    HARUYAMA Tetsugen
    研究セミナー, Nov. 2000, English, University of Edinburgh, Edinburgh, UK, International conference
    Invited oral presentation

  • Science, Diminishing Returns, and Long Waves
    HARUYAMA Tetsugen
    Growth and Business Cycles in Theory and Practice, Jul. 2000, English, The Centre for Growth and Business Cycle Research, Manchester, UK, International conference
    Oral presentation

  • Endogenous vs. Semi-Endogenous Growth in a Two-R&D-Sector Model
    HARUYAMA Tetsugen
    European Economic Association Annual Meeting, Sep. 1999, English, European Economic Association, Compostela, Spain, International conference
    Oral presentation

  • Schumpeterian Growth Theory
    HARUYAMA Tetsugen
    非線形動学研究グループ研究会, Mar. 1999, English, 科学研究費プロジェクト(西村和雄先生), 東京, Domestic conference
    Invited oral presentation

  • Endogenous vs. Semi-Endogenous Growth in a Two-R&D-Sector Model
    HARUYAMA Tetsugen
    Royal Economic Society Annual Meeting, Mar. 1999, English, Royal Economic Society, Nottingham, UK, International conference
    Oral presentation

  • Growth and Output Fluctuations
    HARUYAMA Tetsugen
    European Integration: Growth and Unemployment, Nov. 1998, English, Athens University of Economics, Athens, Greece, International conference
    Invited oral presentation

  • Growth and Output Fluctuations
    HARUYAMA Tetsugen
    研究セミナー, Oct. 1998, English, University of Stirling, Sirling, UK, International conference
    Invited oral presentation

  • Science, Diminishing Returns, and Long Waves
    HARUYAMA Tetsugen
    Royal Economic Society Annual Meeting, Mar. 1998, English, Royal Economic Society, Warwick, UK, International conference
    Oral presentation

  • Growth and Output Fluctuations
    HARUYAMA Tetsugen
    Competition and Innovation, Jan. 1998, English, ESRC Centre for Economic Learning and Social Evolution, London,UK., International conference
    Invited oral presentation

  • Science, Diminishing Returns, and Long Waves
    HARUYAMA Tetsugen
    Econometric Society European Meeting, Aug. 1997, English, Econometric Society, Toulouse, France, International conference
    Oral presentation

  • Growth, Knowledge Structure, and Quality-Variety Innovations
    HARUYAMA Tetsugen
    Scottish Economic Society Annual Conference, Apr. 1997, English, Scottish Economic Society, Sirling, UK, International conference
    Oral presentation

  • Science, Diminishing Returns and Growth with Schumpeterian Cycles
    HARUYAMA Tetsugen
    Royal Economic Society Annual Meeting, Mar. 1997, English, Royal Economic Society, Staffordshire, UK, International conference
    Oral presentation

  • Inequality and Growth: A Schumpeterian Perspective
    HARUYAMA Tetsugen
    研究セミナー, Dec. 1996, English, University of Essex, Colchester, UK, International conference
    Invited oral presentation

  • A Growth with Quality-Variety Innovations
    HARUYAMA Tetsugen
    Annual Meeting of the International Economics Study Group, Sep. 1996, English, International Economics Study Group, UK, Surrey, UK, International conference
    Oral presentation

  • Knowledge Structure, Multiple Equilibria and Growth with Heterogeneous R&D's
    HARUYAMA Tetsugen
    Econometric Society European Meeting, Aug. 1996, English, Econometric Society, Istanbul, Turkey, International conference
    Oral presentation

  • Inequality and Growth: A Schumpeterian Perspective
    HARUYAMA Tetsugen
    European Economic Association Annual Meeting, Aug. 1996, English, European Economic Association, Istanbul, Turkey, International conference
    Oral presentation

  • Inequality and Growth: A Schumpeterian Perspective
    HARUYAMA Tetsugen
    Royal Economic Society Annual Meeting, Apr. 1996, English, Royal Economic Society, Swansea, UK, International conference
    Oral presentation

■ Affiliated Academic Society
  • Econometric Society

  • 国際経済学会

  • 日本経済学会

■ Works
  • 春山鉄源
    Oct. 2021 - Present
    経済学部生向けのPython教材

  • Tetsu HARUYMA
    May 2021 - Present
    切断回帰モデル,Tobitモデル,Heckitモデルの推定のためのPythonモジュール

  • Tetsu HARUYAMA
    May 2021 - Present
    マクロ経済分析に便利な関数やデータが含まれたPythonモジュール

  • 春山鉄源
    Apr. 2021 - Present
    中級レベルよりも一歩進んだマクロ経済学をPythonで学ぶサイト。

  • 春山鉄源
    May 2020 - Present
    計量経済学をPythonで学ぶサイト。

  • Tetsu HARUYAMA
    Jan. 2019 - Present
    J.M. Wooldridgeの"Introductory Econometrics"に含まれる111のデータセットをPythonパッケージとして提供している。

■ Research Themes
■ Academic Contribution Activities
  • インスブルック大学 博士論文審査員
    インスブルック大学 博士論文審査員
    May 2023 - May 2023, オーストリア, Hak Ping Yeung氏の博士論文"China's Belt and Road Initiative and Its Impact on Host Countries: Empirical Evidence for Instibutional Quality, Economic Complexity and Life Expectancy"の審査員, International academic contribution
    Review

  • Asian Meeting of Econometric Society, Empirical Macroeconomics
    Asian Meeting of Econometric Society, Empirical Macroeconomics
    Econometric Society
    24 Jun. 2021 - 27 Jun. 2021, オンライン
    Academic society etc

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