All Stories

  1. Optimal energy-saving investments and Jevons Paradox in duopoly markets

    Article • Energy Economics, June 2025, Elsevier

    Toshihiro Matsumura

  2. Welfare improving common ownership in successive oligopolies: The role of the input market

    Article • Canadian Journal of Economics/Revue canadienne d économique, January 2025, Wiley

    Toshihiro Matsumura

  3. Are fuel taxes redundant when an emission tax is introduced for life-cycle emissions?

    Article • Economics Letters, August 2024, Elsevier

    Toshihiro Matsumura

  4. Tax versus regulations: Polluters’ incentives for loosening industry emission targets

    Article • Energy Economics, August 2024, Elsevier

    Toshihiro Matsumura

  5. Welfare effects of common ownership in an international duopoly

    Article • Canadian Journal of Economics/Revue canadienne d économique, April 2024, Wiley

    Toshihiro Matsumura

  6. Welfare Consequence of Common Ownership in a Vertically Related Market*

    Article • Journal of Industrial Economics, December 2023, Wiley

    Toshihiro Matsumura

  7. Green transformation in oligopoly markets under common ownership

    Article • Energy Economics, October 2023, Elsevier

    Toshihiro Matsumura

  8. Common ownership in a delivered pricing duopoly

    Article • Journal of Economics, March 2023, Springer Science + Business Media

    Toshihiro Matsumura

  9. Competition mode and common ownership in a mixed oligopoly

    Article • Manchester School, March 2023, Wiley

    Toshihiro Matsumura

  10. Common ownership and environmental Corporate Social Responsibility

    Article • Energy Economics, October 2022, Elsevier

    Toshihiro Matsumura

  11. Welfare-reducing price competition under relative performance delegation with convex costs

    Article • Economic Modelling, July 2022, Elsevier

    Toshihiro Matsumura

  12. Market competition and strategic choices of electric power sources under fluctuating demand

    Article • Resource and Energy Economics, May 2022, Elsevier

    Toshihiro Matsumura

  13. Free entry under an output-cap constraint

    Article • Economics Letters, January 2022, Elsevier

    Toshihiro Matsumura

  14. Procurement of advanced inputs and welfare-reducing vertical integration

    Article • Journal of Economics, September 2021, Springer Science + Business Media

    Ph.D. Chul-Hi Park, Toshihiro Matsumura, Professor Sang-Ho Lee

  15. Optimality of emission pricing policies based on emission intensity targets under imperfect competition

    Article • Energy Economics, June 2021, Elsevier

    Toshihiro Matsumura

  16. Profit‐enhancing entries in mixed oligopolies

    Article • Southern Economic Journal, April 2021, Wiley

    Toshihiro Matsumura

  17. Promoting green or restricting gray? An analysis of green portfolio standards

    Article • Economics Letters, January 2021, Elsevier

    Toshihiro Matsumura

  18. Free entry under common ownership

    Article • Economics Letters, October 2020, Elsevier

    Toshihiro Matsumura

  19. The relationship between privatization and corporate taxation policies

    Article • Journal of Economics, September 2020, Springer Science + Business Media

    Toshihiro Matsumura

  20. Endogenous public and private leadership with diverging social and private marginal costs

    Article • Manchester School, June 2020, Wiley

    Toshihiro Matsumura

  21. Lack of commitment to future privatization policies may lead to worst welfare outcome

    Article • Economic Modelling, June 2020, Elsevier

    Toshihiro Matsumura

  22. Implicit protectionism via state enterprises and technology transfer from foreign enterprises

    Article • Review of International Economics, February 2020, Wiley

    Toshihiro Matsumura

  23. A comparison between emission intensity and emission cap regulations

    Article • Energy Policy, February 2020, Elsevier

    Toshihiro Matsumura

  24. Noncooperative and Cooperative Environmental Corporate Social Responsibility

    Article • Journal of Institutional and Theoretical Economics JITE, January 2020, Mohr Siebeck

    Toshihiro Matsumura, Professor Sang-Ho Lee

  25. Shadow cost of public funds and privatization policies

    Article • The North American Journal of Economics and Finance, November 2019, Elsevier

    Toshihiro Matsumura

  26. The equivalence of emission tax with tax-revenue refund and emission intensity regulation

    Article • Economics Letters, September 2019, Elsevier

    Toshihiro Matsumura

  27. Optimal privatization policy with asymmetry among private firms

    Article • Bulletin of Economic Research, August 2019, Wiley

    Toshihiro Matsumura

  28. Mixed duopoly: Differential game approach

    Article • Journal of Public Economic Theory, April 2019, Wiley

    Toshihiro Matsumura

  29. Optimal Production Tax in a Mixed Market with an Endogenous Market Structure

    Article • Manchester School, March 2019, Wiley

    Toshihiro Matsumura

  30. Corporate social responsibility and privatization policy in a mixed oligopoly

    Article • Journal of Economics, January 2019, Springer Science + Business Media

    Professor Sang-Ho Lee, Toshihiro Matsumura

  31. Entry License Tax: Stackelberg versus Cournot

    Article • Journal of Institutional and Theoretical Economics JITE, January 2019, Mohr Siebeck

    Toshihiro Matsumura

  32. A Negative Effect of Cost-Reducing Public Investment: The Role of Firms’ Entry

    Article • Economic Record, October 2018, Wiley

    Toshihiro Matsumura

  33. Government-leading welfare-improving collusion

    Article • International Review of Economics & Finance, July 2018, Elsevier

    Toshihiro Matsumura

  34. Optimal Privatisation Policy under Private Leadership in Mixed Oligopolies

    Article • Arthaniti-Journal of Economic Theory and Practice, June 2018, SAGE Publications

    Toshihiro Matsumura

  35. Competitive pressure from neighboring markets and optimal privatization policy

    Article • Japan and the World Economy, June 2018, Elsevier

    Toshihiro Matsumura

  36. Dynamic Privatization Policy

    Article • Manchester School, April 2018, Wiley

    Toshihiro Matsumura

  37. Optimal privatization and uniform subsidy policies: A note

    Article • Journal of Public Economic Theory, March 2018, Wiley

    Toshihiro Matsumura

  38. Comparing welfare and profit in quantity and price competition within Stackelberg mixed duopolies

    Article • Journal of Economics, March 2018, Springer Science + Business Media

    Toshihiro Matsumura

  39. Endogenous Timing in Mixed Duopolies With Externality

    Article • Australian Economic Papers, October 2017, Wiley

    Toshihiro Matsumura, Akira Ogawa

  40. An analysis of entry-then-privatization model: welfare and policy implications

    Article • Journal of Economics, August 2017, Springer Science + Business Media

    Professor Sang-Ho Lee, Toshihiro Matsumura

  41. Ex-ante versus ex-post privatization policies with foreign penetration in free-entry mixed markets

    Article • International Review of Economics & Finance, July 2017, Elsevier

    Professor Sang-Ho Lee, Toshihiro Matsumura

  42. Lobbying for Regulation Reform by Industry Leaders

    Article • Journal of Regulatory Economics, June 2017, Springer Science + Business Media

    Toshihiro Matsumura

  43. Eco-technology licensing by a foreign innovator and privatization policy in a polluting mixed duopoly

    Article • Asia-Pacific Journal of Accounting & Economics, June 2017, Taylor & Francis

    Professor Sang-Ho Lee, Toshihiro Matsumura

  44. Long-run welfare effect of energy conservation regulation

    Article • Economics Letters, May 2017, Elsevier

    Toshihiro Matsumura

  45. Inefficient but Robust Public Leadership

    Article • Journal of Industry Competition and Trade, February 2017, Springer Science + Business Media

    Toshihiro Matsumura

  46. Privatization Neutrality Theorem in Free Entry Markets

    Article • The B E Journal of Theoretical Economics, January 2017, De Gruyter

    Yasunori Okumura, Toshihiro Matsumura

  47. Optimal Privatization Policy under Private Leadership in Mixed Oligopolies

    Article • SSRN Electronic Journal, January 2017, Elsevier

    Toshihiro Matsumura

  48. Introduction

    Article • Asia-Pacific Journal of Accounting & Economics, June 2016, Taylor & Francis

    Toshihiro Matsumura

  49. Payoff interdependence and the multi-store paradox

    Article • Asia-Pacific Journal of Accounting & Economics, May 2016, Taylor & Francis

    Toshihiro Matsumura

  50. Welfare-Improving Effect of a Small Number of Followers in a Stackelberg Model

    Article • The B E Journal of Theoretical Economics, January 2016, De Gruyter

    Toshihiro Matsumura

  51. Should Firms Employ Personalized Pricing?

    Article • Journal of Economics &amp Management Strategy, October 2015, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  52. Cournot–Bertrand comparison in a mixed oligopoly

    Article • Journal of Economics, August 2015, Springer Science + Business Media

    Toshihiro Matsumura

  53. Competition and privatization policies revisited: the payoff interdependence approach

    Article • Journal of Economics, May 2015, Springer Science + Business Media

    Toshihiro Matsumura

  54. Optimal Privatisation and Trade Policies with Endogenous Market Structure

    Article • Economic Record, May 2015, Wiley

    Toshihiro Matsumura

  55. Price versus quantity in a mixed duopoly with foreign penetration

    Article • Research in Economics, December 2014, Elsevier

    Toshihiro Matsumura

  56. Corporate Social Responsibility or Payoff Asymmetry? A Study of an Endogenous Timing Game

    Article • Southern Economic Journal, October 2014, Wiley

    Toshihiro Matsumura

  57. Mixed Duopoly, Location Choice, and Shadow Cost of Public Funds*

    Article • Southern Economic Journal, August 2014, Wiley

    Toshihiro Matsumura

  58. Comparison between specific taxation and volume quotas in a free entry Cournot oligopoly

    Article • Journal of Economics, August 2013, Springer Science + Business Media

    Toshihiro Matsumura

  59. Advertising competition in a mixed oligopoly

    Article • Economics Letters, May 2013, Elsevier

    Toshihiro Matsumura

  60. Mixed duopoly, privatization, and subsidization with excess burden of taxation

    Article • Canadian Journal of Economics/Revue canadienne d économique, May 2013, Wiley

    Toshihiro Matsumura

  61. Merger and entry-license tax

    Article • Economics Letters, April 2013, Elsevier

    Toshihiro Matsumura

  62. Competitiveness and R&D competition revisited

    Article • Economic Modelling, March 2013, Elsevier

    Noriaki Matsushima, Toshihiro Matsumura

  63. Privatization neutrality theorem revisited

    Article • Economics Letters, February 2013, Elsevier

    Toshihiro Matsumura

  64. Long-Run Effects of Tax Policies in a Mixed Market

    Article • FinanzArchiv Public Finance Analysis, January 2013, Mohr Siebeck

    Toshihiro Matsumura

  65. HOW MANY FIRMS SHOULD BE LEADERS? BENEFICIAL CONCENTRATION REVISITED*

    Article • International Economic Review, October 2012, Wiley

    Toshihiro Matsumura

  66. MIXED DUOPOLY, PRODUCT DIFFERENTIATION AND COMPETITION*

    Article • Manchester School, September 2012, Wiley

    Toshihiro Matsumura

  67. AIRPORT PRIVATIZATION AND INTERNATIONAL COMPETITION

    Article • Japanese Economic Review, August 2012, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  68. Price versus quantity in a mixed duopoly

    Article • Economics Letters, August 2012, Elsevier

    Toshihiro Matsumura

  69. ENDOGENOUS FLEXIBILITY IN THE FLEXIBLE MANUFACTURING SYSTEM

    Article • Bulletin of Economic Research, July 2012, Wiley

    Toshihiro Matsumura

  70. Welfare properties of strategic R&D investments in Hotelling models

    Article • Economics Letters, June 2012, Elsevier

    Noriaki Matsushima, Toshihiro Matsumura

  71. COMPETITIVENESS AND STABILITY OF COLLUSIVE BEHAVIOR

    Article • Bulletin of Economic Research, April 2012, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  72. Welfare consequence of an asymmetric regulation in a mixed Bertrand duopoly

    Article • Economics Letters, April 2012, Elsevier

    Toshihiro Matsumura

  73. MARKET STRUCTURE AND PRIVATIZATION POLICY UNDER INTERNATIONAL COMPETITION*

    Article • Japanese Economic Review, March 2012, Springer Science + Business Media

    Toshihiro Matsumura

  74. Long-Run Effects of Foreign Penetration on Privatization Policies

    Article • Journal of Institutional and Theoretical Economics JITE, January 2012, Mohr Siebeck

    Toshihiro Matsumura

  75. Presence of foreign investors in privatized firms and privatization policy

    Article • Journal of Economics, November 2011, Springer Science + Business Media

    Toshihiro Matsumura

  76. MARKET COMPETITION, R&D AND FIRM PROFITS IN ASYMMETRIC OLIGOPOLY*

    Article • Journal of Industrial Economics, September 2011, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  77. LOCATING OUTSIDE A LINEAR CITY CAN BENEFIT CONSUMERS*

    Article • Journal of Regional Science, August 2011, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  78. Price leadership in a homogeneous product market

    Article • Journal of Economics, May 2011, Springer Science + Business Media

    Toshihiro Matsumura

  79. Collusion, agglomeration, and heterogeneity of firms

    Article • Games and Economic Behavior, May 2011, Elsevier

    Noriaki Matsushima, Toshihiro Matsumura

  80. Randomized strategy equilibrium in the action commitment game with costs of leading

    Article • Operations Research Letters, March 2011, Elsevier

    Toshihiro Matsumura

  81. Access Charges, Vertical Separation, and Lobbying

    Article • SSRN Electronic Journal, January 2011, Elsevier

    Toshihiro Matsumura

  82. Spatial Cournot equilibria in a quasi-linear city

    Article • Papers of the Regional Science Association, November 2010, Wiley

    Toshihiro Matsumura

  83. On the uniqueness of Bertrand equilibrium

    Article • Operations Research Letters, November 2010, Elsevier

    Toshihiro Matsumura

  84. Spatial Cournot competition and transportation costs in a circular city

    Article • The Annals of Regional Science, July 2010, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  85. What role should public enterprises play in free-entry markets?

    Article • Journal of Economics, July 2010, Springer Science + Business Media

    Toshihiro Matsumura

  86. ON THE ROBUSTNESS OF PRIVATE LEADERSHIP IN MIXED DUOPOLY

    Article • Australian Economic Papers, June 2010, Wiley

    Toshihiro Matsumura

  87. PRIVATIZATION WAVES

    Article • Manchester School, May 2010, Wiley

    Toshihiro Matsumura

  88. Airport Privatization and International Competition

    Article • SSRN Electronic Journal, January 2010, Elsevier

    Toshihiro Matsumura

  89. Patent Licensing, Bargaining, and Product Positioning

    Article • SSRN Electronic Journal, January 2010, Elsevier

    Toshihiro Matsumura

  90. Location equilibrium with asymmetric firms: the role of licensing

    Article • Journal of Economics, November 2009, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  91. Privatization and entries of foreign enterprises in a differentiated industry

    Article • Journal of Economics, October 2009, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  92. Payoff dominance and risk dominance in the observable delay game: a note

    Article • Journal of Economics, March 2009, Springer Science + Business Media

    Toshihiro Matsumura

  93. A Small Firm Leads to Curious Outcomes: Social Surplus, Consumer Surplus, and R&D Activities

    Article • SSRN Electronic Journal, January 2009, Elsevier

    Toshihiro Matsumura

  94. Regional Restriction, Strategic Delegation, and Welfare

    Article • SSRN Electronic Journal, January 2009, Elsevier

    Toshihiro Matsumura

  95. A NONCOOPERATIVE SHIPPING COURNOT DUOPOLY WITH LINEAR-QUADRATIC TRANSPORT COSTS AND CIRCULAR SPACE*

    Article • Japanese Economic Review, December 2008, Springer Science + Business Media

    Toshihiro Matsumura

  96. SIMULTANEOUS PRICE CHANGES, INFORMATION ACQUISITION ON COMMON COMPETITORS AND WELFARE*

    Article • Australian Economic Papers, December 2008, Wiley

    Toshihiro Matsumura

  97. Profit-Enhancing Parallel Imports

    Article • Open Economies Review, July 2008, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  98. Cost differentials and mixed strategy equilibria in a Hotelling model

    Article • The Annals of Regional Science, January 2008, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  99. Congestion-reducing investments and economic welfare in a Hotelling model

    Article • Economics Letters, August 2007, Elsevier

    Noriaki Matsushima, Toshihiro Matsumura

  100. Mixed oligopoly, foreign firms, and location choice

    Article • Regional Science and Urban Economics, November 2006, Elsevier

    Noriaki Matsushima, Toshihiro Matsumura

  101. Cournot and Bertrand in shipping models with circular markets

    Article • Papers of the Regional Science Association, November 2006, Wiley

    Toshihiro Matsumura

  102. A note on the excess entry theorem in spatial markets

    Article • International Journal of Industrial Organization, September 2006, Elsevier

    Toshihiro Matsumura

  103. REALIZED COST-BASED SUBSIDIES FOR STRATEGIC R&D INVESTMENTS WITH EX ANTE AND EX POST ASYMMETRIES*

    Article • Japanese Economic Review, September 2006, Springer Science + Business Media

    Toshihiro Matsumura

  104. R&D competition between public and private sectors

    Article • European Economic Review, August 2006, Elsevier

    Toshihiro Matsumura

  105. Tax Effects in a Model of Product Differentiation: A Note

    Article • Journal of Economics, May 2006, Springer Science + Business Media

    Toshihiro Matsumura

  106. Equilibrium number of firms and economic welfare in a spatial price discrimination model

    Article • Economics Letters, March 2006, Elsevier

    Toshihiro Matsumura

  107. Cartel Stability in a Delivered Pricing Oligopoly

    Article • Journal of Economics, November 2005, Springer Science + Business Media

    Noriaki Matsushima, Toshihiro Matsumura

  108. Spatial Cournot competition and economic welfare: a note

    Article • Regional Science and Urban Economics, November 2005, Elsevier

    Toshihiro Matsumura

  109. Economic welfare in delivered pricing duopoly: Bertrand and Cournot

    Article • Economics Letters, October 2005, Elsevier

    Toshihiro Matsumura

  110. COMPETITION-ACCELERATING PUBLIC INVESTMENTS*

    Article • Australian Economic Papers, September 2005, Wiley

    Toshihiro Matsumura

  111. Mixed Oligopoly at Free Entry Markets

    Article • Journal of Economics, January 2005, Springer Science + Business Media

    Toshihiro Matsumura

  112. Endogenous Cost Differentials between Public and Private Enterprises: A Mixed Duopoly Approach

    Article • Economica, November 2004, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  113. Strategic Complementarity in Direct Investments

    Article • Review of Development Economics, November 2004, Wiley

    Toshihiro Matsumura

  114. Consumer-benefiting exclusive territories

    Article • Canadian Journal of Economics/Revue canadienne d économique, November 2003, Wiley

    Toshihiro Matsumura

  115. Endogenous Role in Mixed Markets: A Two-Production-Period Model

    Article • Southern Economic Journal, October 2003, JSTOR

    Toshihiro Matsumura

  116. Stackelberg Mixed Duopoly with a Foreign Competitor

    Article • Bulletin of Economic Research, July 2003, Wiley

    Toshihiro Matsumura

  117. Mixed oligopoly and spatial agglomeration

    Article • Canadian Journal of Economics/Revue canadienne d économique, February 2003, Wiley

    Noriaki Matsushima, Toshihiro Matsumura

  118. Market Instability in a Stackelberg Duopoly

    Article • Journal of Economics, April 2002, Springer Science + Business Media

    Toshihiro Matsumura

  119. Quantity-setting oligopoly with endogenous sequencing

    Article • International Journal of Industrial Organization, February 1999, Elsevier

    Toshihiro Matsumura

  120. Partial privatization in mixed duopoly

    Article • Journal of Public Economics, December 1998, Elsevier

    Toshihiro Matsumura

  121. HOW MANY FIRMS BECOME LEADERS?*

    Article • Australian Economic Papers, June 1997, Wiley

    Toshihiro Matsumura

  122. ENDOGENOUS TIMING IN MULTI-STAGE DUOPOLY GAMES

    Article • Japanese Economic Review, September 1995, Springer Science + Business Media

    Toshihiro Matsumura