Access Statistics for Toshihiro Matsumura

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Working Paper File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
A New Approach to Free Entry Markets in Mixed Oligopolies: Welfare Implications 0 0 0 111 0 2 5 133
A small firm leads to curious outcomes: Social surplus, consumer surplus, and R&D activities 0 0 0 74 0 0 2 234
Access Charge, Vertical Separation, and Lobbying 0 0 0 3 0 0 0 36
Access charges, vertical separation, and lobbying 0 0 0 18 1 1 1 110
Airport privatization and international competition 0 0 1 121 0 1 4 352
An Advantage of Emission Intensity Regulation for Emission Cap Regulation in a Near-Zero Emission Industry 0 0 0 44 1 1 2 81
Are fuel taxes redundant when an emission tax is introduced for life-cycle emissions? 0 1 9 32 2 4 19 61
Asymmetric welfare implication between a small number of leaders and a small number of followers in Stackelberg models 0 0 0 87 0 0 0 139
Collusion, Agglomeration, and Heterogeneity of Firms 0 0 0 14 1 1 2 57
Common Ownership among Private Firms and Privatization Policies 2 4 20 119 5 9 36 237
Common Ownership and Environmental Corporate Social Responsibility 0 0 3 81 1 2 8 149
Comparing Welfare and Profit in Quantity and Price Competition within Stackelberg Mixed Duopolies 0 0 0 139 0 1 1 214
Competitive Pressure from Neighboring Markets and Optimal Privatization Policy 0 0 0 56 3 3 4 85
Corporate social responsibility and privatization policy in a mixed oligopoly 0 0 0 103 0 1 4 283
Cournot–Bertrand comparison under common ownership in a mixed oligopoly 1 2 5 76 1 7 15 152
Dynamic privatization policy 0 0 1 95 0 1 4 223
Emission Cap Commitment versus Emission Intensity Commitment as Self-Regulation 0 0 0 81 1 3 3 197
Endogenous Public and Private Leadership with Diverging Social and Private Marginal Costs 0 0 1 84 2 3 6 152
Entry-License Tax: Stackelberg versus Cournot 0 0 0 73 1 1 3 162
Evolution of competitive equilibrium with endogenous product differentiation 0 0 0 57 1 3 3 163
Firms' Costs, Profits, Entries, and Innovation under Optimal Privatization Policy 1 2 4 147 1 4 13 285
Flexible Privatization Policy in Free-Entry Markets 2 3 4 76 2 6 16 213
Free Entry under Common Ownership 0 0 1 77 2 2 5 180
Free entry under an output-cap constraint 0 0 0 36 3 3 4 73
Fuel diversification among firms and common ownership 4 17 17 17 7 17 17 17
Government-Leading Welfare-Improving Collusion 0 0 0 104 2 2 5 150
Green transformation in oligopoly markets under common ownership 0 2 3 101 3 6 9 112
How Many Firms Should Be Leaders? Beneficial Concentration Revisited 0 0 1 54 1 1 2 160
Implicit Protectionism via State Enterprises and Technology Transfer from Foreign Enterprises 0 1 1 57 0 3 5 148
Inefficient but robust public leadership 0 0 1 65 1 1 3 138
Lobbying for Regulation Reform by Industry Leaders 0 0 0 53 0 0 1 117
Long-Run Evaluation of Cost-Reducing Public Infrastructure Investment 0 0 0 98 1 2 4 190
Long-Run Welfare Effect of Energy Conservation Regulation 0 0 0 49 2 2 3 82
Market Competition, R&D and Firm Profits in Asymmetric Oligopoly 0 0 1 169 1 4 6 415
Market Concentration, Privatization Policies, and Heterogeneity among Private Firms in Mixed Oligopolies 0 0 0 47 0 2 6 65
Market competition and strategic choices of electric power sources under fluctuating demand 0 0 1 80 1 2 5 127
Market transparency in a mixed oligopoly 1 3 6 35 2 6 15 60
Mixed Duopoly: Differential Game Approach 0 0 0 49 0 3 4 83
Mixed Duopoly: Differential Game Approach 0 0 0 163 3 3 7 291
Mixed Oligopoly, Foreign Firms, and Location Choice 0 0 0 17 4 5 6 125
Multiple Long-Run Equilibria in a Free-Entry Mixed Oligopoly 0 0 0 108 0 0 2 214
On patent licensing in spatial competition with endogenous location choice 0 0 0 11 1 1 1 132
Optimal Energy-Saving Investments and Jevons Paradox in Duopoly Markets 3 5 27 46 4 7 74 97
Optimal Privatization Policy under Private Leadership in Mixed Oligopolies 0 0 0 71 3 3 4 112
Optimal Privatization Policy with Asymmetry among Private Firms 0 0 0 122 2 3 5 256
Optimal Privatization and Uniform Subsidy Policies: A Synthesis 0 0 0 44 1 1 2 85
Optimal Production Tax and Privatization Policies under an Endogenous Market Structure 0 0 0 81 2 3 5 148
Optimality of Emission Pricing Policies Based on Emission Intensity Targets under Imperfect Competition 0 0 0 100 2 3 7 213
Patent licensing, bargaining, and product positioning 0 0 1 128 1 2 8 345
Payoff interdependence and welfare-improving location diversification 2 5 16 39 2 7 32 64
Privatization and entries of foreign enterprises in a differentiated industry 0 1 2 10 0 1 3 68
Procurement of Advanced Technology and Welfare-Reducing Vertical Integration 0 0 0 123 1 1 2 367
Profit-enhancing emissions taxes in near-zero-emissions industries 2 7 20 20 3 13 27 27
Profit-enhancing entries in mixed oligopolies 0 0 1 79 1 2 7 151
Promoting Green or Restricting Gray? An Analysis of Green Portfolio Standards 1 1 1 98 3 4 7 215
Regional restriction, strategic delegation, and welfare 0 0 0 74 0 3 6 275
Regulated Input Price, Vertical Separation, and Leadership in Free Entry Markets 0 0 0 44 1 1 2 137
Relative Performance and R&D Competition 0 0 1 137 3 3 5 377
Shadow Cost of Public Funds and Privatization Policies 0 0 0 75 2 2 6 211
Should firms employ personalized pricing? 0 0 1 82 4 6 7 230
Tax versus Regulations: Robustness to Polluter Lobbying Against Near-Zero Emission Targets 0 0 1 86 0 0 5 163
The Equivalence of Emission Tax with Tax-Revenue Refund and Emission Intensity Regulation 0 0 0 87 2 5 8 212
The Relationship between Privatization and Corporate Taxation Policies 0 0 0 83 2 2 5 217
The optimal fuel and emission tax combination for life -cycle emissions under imperfect competition 0 0 3 3 2 3 11 11
The optimal fuel and emission tax combination for life-cycle emissions under imperfect competition 0 0 10 130 3 7 26 127
Welfare effects of common ownership in an international duopoly 2 2 7 88 3 4 16 145
What role should public enterprises play in free-entry markets? 0 0 0 67 4 4 6 287
When Market Competition Benefits Firms 1 1 1 291 1 2 5 1,333
Total Working Papers 22 57 172 5,289 109 211 552 12,470
4 registered items for which data could not be found


Journal Article File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
A NONCOOPERATIVE SHIPPING COURNOT DUOPOLY WITH LINEAR‐QUADRATIC TRANSPORT COSTS AND CIRCULAR SPACE* 0 0 0 31 0 0 2 129
A Negative Effect of Cost‐Reducing Public Investment: The Role of Firms’ Entry 0 0 0 8 0 0 3 23
A Two-stage Cournot Duopoly with Inventory Costs 0 0 0 13 0 0 0 24
A Two‐stage Price‐setting Duopoly: Bertrand or Stackelberg 0 0 1 7 4 4 5 26
A comparison between emission intensity and emission cap regulations 0 0 2 30 2 2 10 169
A note on the excess entry theorem in spatial markets 0 0 0 48 0 1 1 154
AIRPORT PRIVATIZATION AND INTERNATIONAL COMPETITION 0 0 0 34 1 3 3 103
Advertising competition in a mixed oligopoly 0 0 0 77 0 0 1 206
An analysis of entry-then-privatization model: welfare and policy implications 0 0 1 22 2 3 6 86
Are fuel taxes redundant when an emission tax is introduced for life-cycle emissions? 0 1 3 5 1 2 7 11
COMPETITION‐ACCELERATING PUBLIC INVESTMENTS* 0 0 0 15 0 0 1 100
COMPETITIVENESS AND STABILITY OF COLLUSIVE BEHAVIOR 0 0 1 19 3 3 4 61
Cartel Stability in a Delivered Pricing Oligopoly 0 0 1 35 1 2 4 133
Collusion, agglomeration, and heterogeneity of firms 0 0 0 42 1 1 3 132
Common ownership and environmental Corporate Social Responsibility 0 0 2 19 0 4 9 37
Common ownership in a delivered pricing duopoly 0 0 0 8 1 2 6 26
Comparing welfare and profit in quantity and price competition within Stackelberg mixed duopolies 0 1 1 25 0 2 8 83
Comparison between specific taxation and volume quotas in a free entry Cournot oligopoly 0 2 2 27 0 3 6 131
Competition and privatization policies revisited: the payoff interdependence approach 0 0 2 34 0 1 6 146
Competition mode and common ownership in a mixed oligopoly 0 0 4 15 1 3 9 32
Competitive pressure from neighboring markets and optimal privatization policy 0 0 0 21 2 3 5 73
Competitiveness and R&D competition revisited 0 0 1 72 0 1 6 241
Congestion-reducing investments and economic welfare in a Hotelling model 0 0 0 48 1 1 1 201
Consumer-benefiting exclusive territories 1 2 2 43 1 3 5 257
Consumer‐benefiting exclusive territories 0 0 0 0 2 3 4 9
Corporate Social Responsibility or Payoff Asymmetry? A Study of an Endogenous Timing Game 0 0 0 24 4 10 12 85
Corporate social responsibility and endogenous competition structure 0 0 0 86 1 6 7 212
Corporate social responsibility and privatization policy in a mixed oligopoly 0 0 4 42 0 2 12 137
Cost differentials and mixed strategy equilibria in a Hotelling model 0 0 0 70 0 0 0 240
Cournot Duopoly With Multi‐period Competition: Inventory as a Coordination Device 0 0 0 83 3 3 3 270
Cournot and Bertrand in shipping models with circular markets* 0 0 0 45 0 1 2 210
Cournot–Bertrand comparison in a mixed oligopoly 0 0 1 53 2 3 8 157
Dynamic Privatization Policy 0 0 1 24 2 2 4 57
ENDOGENOUS FLEXIBILITY IN THE FLEXIBLE MANUFACTURING SYSTEM 0 0 0 25 0 1 1 136
ENDOGENOUS TIMING IN MULTI-STAGE DUOPOLY GAMES 0 0 0 26 0 0 1 47
Eco-technology licensing by a foreign innovator and privatization policy in a polluting mixed duopoly 0 0 1 21 1 3 6 59
Economic welfare in delivered pricing duopoly: Bertrand and Cournot 0 0 0 35 0 0 0 99
Endogenous Role in Mixed Markets: A Two‐Production‐Period Model 0 1 2 5 0 2 3 10
Endogenous Timing in Mixed Duopolies With Externality 0 0 1 7 1 2 6 60
Endogenous public and private leadership with diverging social and private marginal costs 0 1 2 10 4 8 9 39
Endogenous timing in the switching of technology with Marshallian externalities 0 0 0 19 0 0 2 52
Entry License Tax: Stackelberg versus Cournot 0 0 0 11 1 2 4 63
Entry regulation and social welfare with an integer problem 0 0 0 31 1 1 2 109
Environment and International Cooperation 0 0 0 0 0 0 0 15
Environmental corporate social responsibility: A note on the first-mover advantage under price competition 0 1 10 124 2 7 32 383
Equilibria for circular spatial Cournot markets 0 0 0 23 1 1 2 65
Equilibrium Location and Economic Welfare in Delivered Pricing Oligopoly 0 0 1 32 0 0 4 138
Equilibrium number of firms and economic welfare in a spatial price discrimination model 0 0 1 44 0 1 3 152
Ex-ante versus ex-post privatization policies with foreign penetration in free-entry mixed markets 0 0 0 22 0 0 2 81
Free entry under an output-cap constraint 0 0 0 9 1 3 4 32
Free entry under common ownership 0 0 3 22 1 3 11 80
Government-leading welfare-improving collusion 0 0 1 17 1 5 7 79
Green transformation in oligopoly markets under common ownership 0 0 4 10 0 0 6 18
HOW MANY FIRMS SHOULD BE LEADERS? BENEFICIAL CONCENTRATION REVISITED 0 1 2 37 2 3 5 98
How Many Firms Become Leaders? 0 0 0 0 0 0 0 100
Implicit protectionism via state enterprises and technology transfer from foreign enterprises 0 0 0 10 4 4 4 31
Inefficient but Robust Public Leadership 0 0 1 28 0 0 4 77
Introduction 0 0 0 0 1 2 2 8
LOCATING OUTSIDE A LINEAR CITY CAN BENEFIT CONSUMERS 0 0 0 17 0 0 0 63
Lack of commitment to future privatization policies may lead to worst welfare outcome 0 0 0 10 2 5 9 54
Lobbying for Regulation Reform by Industry Leaders 0 0 0 20 1 1 4 71
Location equilibrium with asymmetric firms: the role of licensing 0 0 0 34 1 2 3 127
Long-Run Effects of Foreign Penetration on Privatization Policies 0 0 1 49 0 0 1 124
Long-Run Effects of Tax Policies in a Mixed Market 0 0 0 27 0 1 2 120
Long-run welfare effect of energy conservation regulation 0 0 0 36 1 1 6 84
MARKET COMPETITION, R&D AND FIRM PROFITS IN ASYMMETRIC OLIGOPOLY 0 0 0 82 0 1 4 216
MARKET STRUCTURE AND PRIVATIZATION POLICY UNDER INTERNATIONAL COMPETITION 0 0 0 17 1 3 4 75
MIXED DUOPOLY, PRODUCT DIFFERENTIATION AND COMPETITION 0 0 1 34 0 2 4 91
Market Instability in a Stackelberg Duopoly 0 0 0 5 1 2 10 40
Market competition and strategic choices of electric power sources under fluctuating demand 0 0 0 9 1 1 3 27
Merger and entry-license tax 0 0 1 30 0 3 5 85
Mixed Duopoly with Product Differentiation: Sequential Choice of Location 0 0 0 83 0 0 3 276
Mixed Oligopoly at Free Entry Markets 1 1 3 144 2 3 8 454
Mixed duopoly, location choice, and shadow cost of public funds 0 0 0 18 0 0 4 67
Mixed duopoly, privatization, and subsidization with excess burden of taxation 0 0 0 2 2 2 3 19
Mixed duopoly, privatization, and subsidization with excess burden of taxation 0 0 0 37 0 0 1 121
Mixed duopoly: Differential game approach 0 0 0 26 1 3 3 76
Mixed oligopoly and spatial agglomeration 0 0 0 1 1 4 5 10
Mixed oligopoly and spatial agglomeration 0 0 0 91 0 0 0 341
Mixed oligopoly and spatial agglomeration in quasi-linear city 0 0 0 72 1 3 4 267
Mixed oligopoly, foreign firms, and location choice 0 0 0 47 0 2 2 228
Noncooperative and Cooperative Environmental Corporate Social Responsibility 1 2 2 36 3 5 7 80
ON THE ROBUSTNESS OF PRIVATE LEADERSHIP IN MIXED DUOPOLY 0 0 0 11 1 1 4 141
Optimal Privatisation Policy under Private Leadership in Mixed Oligopolies 0 0 0 7 3 5 7 31
Optimal Privatisation and Trade Policies with Endogenous Market Structure 0 0 0 33 0 1 3 69
Optimal Production Tax in a Mixed Market with an Endogenous Market Structure 1 1 2 13 1 1 3 29
Optimal energy-saving investments and Jevons Paradox in duopoly markets 1 1 2 2 1 3 4 4
Optimal privatization and uniform subsidy policies: A note 0 0 0 8 0 2 2 23
Optimal privatization policy with asymmetry among private firms 0 0 0 4 1 3 6 30
Optimality of emission pricing policies based on emission intensity targets under imperfect competition 0 0 0 15 1 2 3 46
PRIVATIZATION WAVES 0 1 2 32 0 1 4 110
Partial Agglomeration or Dispersion in Spatial Cournot Competition 0 0 0 3 1 1 2 10
Partial privatization in mixed duopoly 2 2 5 403 4 5 16 918
Payoff dominance and risk dominance in the observable delay game: a note 0 0 0 41 0 1 3 163
Payoff interdependence and the multi-store paradox 0 0 0 6 0 4 4 35
Presence of foreign investors in privatized firms and privatization policy 0 0 1 27 2 7 12 106
Price leadership in a homogeneous product market 0 0 1 28 1 1 4 201
Price versus quantity in a mixed duopoly 0 0 1 48 1 1 5 139
Price versus quantity in a mixed duopoly with foreign penetration 0 0 0 41 2 5 5 169
Privatization Neutrality Theorem in Free Entry Markets 0 0 0 17 0 0 2 66
Privatization and entries of foreign enterprises in a differentiated industry 0 0 0 49 0 0 2 151
Privatization neutrality theorem revisited 0 1 1 24 0 2 4 90
Procurement of advanced inputs and welfare-reducing vertical integration 0 0 1 10 3 3 4 34
Profit-Enhancing Parallel Imports 0 0 0 21 0 2 2 138
Profit‐enhancing entries in mixed oligopolies 0 2 3 11 0 3 4 29
Promoting green or restricting gray? An analysis of green portfolio standards 0 1 1 19 0 1 5 74
Quantity-setting oligopoly with endogenous sequencing 0 0 0 54 0 1 3 166
R&D competition between public and private sectors 0 0 0 97 0 1 2 359
REALIZED COST‐BASED SUBSIDIES FOR STRATEGIC R&D INVESTMENTS WITH EX ANTE AND EX POST ASYMMETRIES* 0 0 0 27 0 0 3 232
Revelation of Private Information about Unpaid Notes in the Trade Credit Bill System in Japan 0 0 0 14 0 2 2 194
SIMULTANEOUS PRICE CHANGES, INFORMATION ACQUISITION ON COMMON COMPETITORS AND WELFARE* 0 0 0 20 0 0 1 88
Shadow cost of public funds and privatization policies 0 0 2 14 0 1 3 53
Should Firms Employ Personalized Pricing? 0 0 0 28 0 3 5 91
Spatial Cournot competition and economic welfare: a note 0 0 0 20 1 1 1 109
Spatial Cournot competition and transportation costs in a circular city 0 0 0 23 0 1 1 118
Spatial Cournot equilibria in a quasi‐linear city 0 0 0 7 0 0 0 39
Stackelberg Mixed Duopoly with a Foreign Competitor 0 0 0 98 1 3 3 337
Strategic Complementarity in Direct Investments 0 0 0 17 2 2 3 124
Strategic R and D investments with uncertainty 0 0 0 26 0 1 1 68
Tax versus regulations: Polluters’ incentives for loosening industry emission targets 1 1 2 2 1 2 4 5
The equivalence of emission tax with tax-revenue refund and emission intensity regulation 0 0 0 27 2 2 3 77
The relationship between privatization and corporate taxation policies 0 0 1 13 1 1 7 82
Welfare Consequence of Common Ownership in a Vertically Related Market 5 8 15 27 6 9 31 52
Welfare consequence of an asymmetric regulation in a mixed Bertrand duopoly 0 0 2 23 1 1 4 70
Welfare effects of common ownership in an international duopoly 0 2 4 6 2 6 14 20
Welfare improving common ownership in successive oligopolies: The role of the input market 0 2 5 5 1 3 10 10
Welfare properties of strategic R&D investments in Hotelling models 0 0 1 57 0 1 5 170
Welfare-Improving Effect of a Small Number of Followers in a Stackelberg Model 0 0 0 43 1 1 2 117
Welfare-reducing price competition under relative performance delegation with convex costs 0 1 1 17 2 3 7 35
What role should public enterprises play in free-entry markets? 0 1 1 31 0 1 7 148
When Small Firms Fight Back Against Large Firms in R&D Activities 0 0 0 34 0 2 3 126
Total Journal Articles 13 37 120 4,223 117 269 613 14,804
2 registered items for which data could not be found


Chapter File Downloads Abstract Views
Last month 3 months 12 months Total Last month 3 months 12 months Total
Electric power crisis and crisis response after the Great East Japan Earthquake 0 1 1 1 0 1 2 6
Total Chapters 0 1 1 1 0 1 2 6


Statistics updated 2025-12-06