Kojun Hamada

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Affiliations

• Niigata University / Faculty of Economics
  • EDIRC entry
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Research profile

author of:

• Insufficient Entry Of Employee-Controlled Firms In A Free-Entry Oligopoly (repec:bla:annpce:v:89:y:2018:i:2:p:437-448)
  by Kojun HAMADA & Takao OHKAWA & Makoto OKAMURA
• Endogenous timing in a mixed duopoly under the optimal degree of privatization (repec:bla:annpce:v:92:y:2021:i:4:p:689-704)
  by Kojun Hamada
• The Benefit Of Reduced Competition And The Cost Of Information Rent Under Outsourcing (repec:bla:buecrs:v:64:y:2012:i:2:p:209-225)
  by Kojun Hamada
• Alternative Strategies Of A Public Enterprise In Oligopoly Revisited: An Extension To Stackelberg Competition (repec:bla:buecrs:v:68:y:2016:i:s1:p:85-96)
  by Kojun Hamada
• Cooperative managerial delegation revisited: Including the firm's cost as a managerial objective (repec:bla:buecrs:v:73:y:2021:i:2:p:171-178)
  by Kojun Hamada
• The optimal specific or ad valorem tax when the other tax is exogenously imposed in a free‐entry Cournot oligopoly market (repec:bla:buecrs:v:76:y:2024:i:1:p:251-266)
  by Kojun Hamada & Takao Ohkawa & Makoto Okamura
• Privatization Neutrality Theorem: When a Public Firm Pursues General Objectives (repec:bla:jecrev:v:69:y:2018:i:1:p:59-68)
  by Kojun Hamada
• Fertility decline and a pay‐as‐you‐go pension system in a two‐sector model (repec:bla:metroe:v:73:y:2022:i:2:p:466-480)
  by Kojun Hamada & Akihiko Kaneko & Mitsuyoshi Yanagihara
• Population growth and the transfer paradox in an overlapping generations model (repec:bla:rdevec:v:23:y:2019:i:1:p:331-347)
  by Kojun Hamada & Tsuyoshi Shinozaki & Mitsuyoshi Yanagihara
• Donor Altruism and the Transfer Paradox in an Overlapping Generations Model (repec:bla:reviec:v:22:y:2014:i:5:p:905-922)
  by Kojun Hamada & Mitsuyoshi Yanagihara
• Edgeworth's taxation paradox when firms engage in cost‐reducing investment (repec:bla:scotjp:v:70:y:2023:i:4:p:391-397)
  by Kojun Hamada & Takao Ohkawa & Makoto Okamura
• Partner Choice and Technology Spillovers in International Joint Ventures Under Ownership Share Regulation (repec:bla:worlde:v:49:y:2026:i:1:p:20-29)
  by Masayuki Okawa & Kojun Hamada & Yasuhiro Takarada
• Second-mover advantage under strategic subsidy policy in a third market model (repec:ebl:ecbull:eb-08f10017)
  by Kojun Hamada
• Privatization neutrality theorem in a mixed oligopoly with firm asymmetry (repec:ebl:ecbull:eb-15-00639)
  by Kojun Hamada
• Mixed duopoly in quantity competition under the optimal privatization rate (repec:ebl:ecbull:eb-20-00078)
  by Kojun Hamada
• Mixed duopoly in price competition under the optimal privatization rate (repec:ebl:ecbull:eb-21-00828)
  by Kojun Hamada
• Oligopolistic competition in the banking market and economic growth (repec:eee:ecmode:v:68:y:2018:i:c:p:239-248)
  by Hamada, Kojun & Kaneko, Akihiko & Yanagihara, Mitsuyoshi
• Intergenerational altruism and the transfer paradox in an overlapping generations model (repec:eee:quaeco:v:59:y:2016:i:c:p:161-167)
  by Hamada, Kojun & Yanagihara, Mitsuyoshi
• Organizational structure and technological investment revisited: An explanation based on the property rights approach (repec:eee:reecon:v:77:y:2023:i:3:p:390-401)
  by Hamada, Kojun
• The transfer paradox in a pay-as-you-go pension system (repec:kap:iecepo:v:14:y:2017:i:2:d:10.1007_s10368-016-0338-2)
  by Kojun Hamada & Akihiko Kaneko & Mitsuyoshi Yanagihara
• Impact of PAYG pensions on country welfare through capital accumulation (repec:kap:iecepo:v:21:y:2024:i:1:d:10.1007_s10368-024-00585-0)
  by Kojun Hamada & Akihiko Kaneko & Mitsuyoshi Yanagihara
• Aspirations and the transfer paradox in an overlapping generations model (repec:kap:jeczfn:v:122:y:2017:i:3:d:10.1007_s00712-017-0537-5)
  by Kojun Hamada & Tsuyoshi Shinozaki & Mitsuyoshi Yanagihara
• A Duopoly of Strategic CSR Firms (repec:mhr:jinste:urn:doi:10.1628/jite-2022-0012)
  by Kojun Hamada & Kojun Hamada
• Uncertainty and Horizontal Mergers (repec:mhr:jinste:urn:sici:0932-4569(201206)168:2_252:uahm_2.0.tx_2-o)
  by Kojun Hamada
• Contract Theory: A Programming-Model Approach (repec:ngi:dpaper:10-34)
  by Hideo Hashimoto & Kojun Hamada & Nobuhiro Hosoe
• A Numerical Approach to the Contract Theory: the Case of Adverse Selection (repec:ngi:dpaper:11-27)
  by Hideo Hashimoto & Kojun Hamada & Nobuhiro Hosoe
• A Numerical Approach to the Contract Theory: the Case of Moral Hazard (repec:ngi:dpaper:12-03)
  by Hideo Hashimoto & Kojun Hamada & Nobuhiro Hosoe
• Incentive for innovation and the optimal allocation of patents (repec:sae:ausman:v:42:y:2017:i:4:p:692-707)
  by Kojun Hamada
• Commodity tax competition and cross-border shopping in a tripoint model (repec:spr:apjors:v:6:y:2022:i:2:d:10.1007_s41685-022-00235-w)
  by Kojun Hamada
• Privatization Neutrality Theorem: When a Public Firm Pursues General Objectives (repec:spr:jecrev:v:69:y:2018:i:1:d:10.1111_jere.12143)
  by Kojun Hamada
• Generalization of strategic delegation (repec:spr:jecrev:v:74:y:2023:i:1:d:10.1007_s42973-020-00070-8)
  by Kojun Hamada
• Privatization Neutrality Theorem and Discriminatory Subsidy Policy (repec:spr:spschp:978-3-319-29254-0_10)
  by Kojun Hamada
• The Transfer Problem and Intergenerational Allocation in an Overlapping Generations Model (repec:taf:intecj:v:30:y:2016:i:4:p:599-615)
  by Kojun Hamada & Akihiko Kaneko & Mitsuyoshi Yanagihara
• Location Tax/Subsidy Competition: When Governments Set Their Policies After Firms Choose Their Locations (repec:taf:intecj:v:35:y:2021:i:3:p:323-343)
  by Kojun Hamada & Yoshitomo Ogawa & Mitsuyoshi Yanagihara
• The transfer paradox in a pay-as-you-go pension system (repec:wap:wpaper:1405)
  by Kojun Hamada & Akihiko Kaneko & Mitsuyoshi Yanagihara
• Optimal taxation in a free‐entry Cournot oligopoly: The average cost function approach (repec:wly:canjec:v:55:y:2022:i:2:p:1166-1192)
  by Kojun Hamada & Takao Ohkawa & Makoto Okamura
• Privatization Versus Managerial Delegation: Revisiting Delegation in a Mixed Duopoly (repec:wly:mgtdec:v:46:y:2025:i:3:p:1763-1773)
  by Kojun Hamada & Hideya Kato