Papers
Published and forthcoming papers (refereed, international)
The bright side of the GDPR: Welfare-improving privacy management , ISER Osaka University Discussion Paper: No. 1246 , 2024 (an old version: SSRN 4537982, 2023) (co-authored with Chongwoo Choe and Shiva Shekhar), accepted at Management Science .
Personalized pricing when consumers can purchase multiple items , (ISER DP No.1192R, 2023 ), (co-authored with Qiuyu Lu), accepted at Journal of Industrial Economics .
How does downstream firms' efficiency affect exclusive supply agreements? , (accepted version ), (The technical appendix ), (Old version, 2013 )) (co-authored with Hiroshi Kitamura and Misato Sato), Review of Industrial Organization , Vol. 64, Iss. 2, pp. 219-242, 2024.
Personalized pricing with heterogeneous mismatch costs , ISER Osaka University Discussion Paper: No. 1184 , 2022, (accepted version ), (co-authored with Tomomichi Mizuno and Cong Pan), Southern Economic Journal , Vol. 70, Iss. 2, pp. 369-388, 2023.
A note on conglomerate mergers: The Google/Fitbit case , (Free access link before 17 August 2023) (accepted version ), (co-authored with Akihiko Nakagawa), Japan and the World Economy , Vol. 67, Article 101203, 2023.
Defending home against giants: Exclusive dealing as a survival strategy for local firms , ISER DP 1122R, 2021 (co-authored with Hiroshi Kitamura and Misato Sato), Journal of Industrial Economics , Vol. 71, Iss. 2, pp. 441-463, 2023.
Which is better for durable goods producers, exclusive or open supply chain? , (accepted version ), ISER DP 1115, 2021 (co-authored with Hiroshi Kitamura and Misato Sato), Journal of Economics & Management Strategy , Vol. 32, Iss. 1, pp. 158-176, 2023.
The impacts of suppliers and mutual outsourcing on organizational forms , (accepted version ) ISER DP, 1155, 2021 (co-authored with Yasuhiro Arai), Canadian Journal of Economics , Vol. 56, Iss. 1, pp. 114-132, 2023.
Demand uncertainty, product differentiation, and entry timing under spatial competition, (ISER-DP 1007R, 2018 ), (co-authored with Takeshi Ebina and Katsumasa Nishide), European Journal of Operational Research , Vol. 303, Iss. 1, pp. 286-297, 2022.
Behavior-based personalized pricing: When firms can share customer information (accepted version ), (the version (2022) referred in the accepted version) (co-authored with Chongwoo Choe and Mark J. Tremblay), International Journal of Industrial Organization , Vol. 82, Article 102846, 2022 (IJIO 2023 Winner ).
Negative effect of price matching policy on traditional retailers in a dual-channel supply chain with different content formats (accepted version ), (previous title: Competition between physical and electronic content retailers (ISER DP-1123, 2021) ), (co-authored with Yuta Kittaka and Fuyuki Saruta), Transportation Research Part E: Logistics and Transportation Review , Vol. 161, Article 102682, 2022.
Data-driven mergers and personalization , ISER Discussion Paper: ISER DP 1108R, 2021 (co-authored with Zhijun Chen, Chongwoo Choe, and Jiajia Cong), RAND Journal of Economics , Vol. 53, Iss. 1, pp. 3-31, 2022.
Organizational structure and technological investment , ISER DP 1069RR, 2020 , (ISER DP 1069, 2019 , (co-authored with Inés Macho-Stadler and Ryusuke Shinohara) Journal of Industrial Economics , Vol. 69, Iss. 4, pp. 785-816, 2021.
Behavior-based price discrimination and product choice , ISER DP 1079, 2020 (which includes The technical appendix ), 2020 (co-authored with Chongwoo Choe), Review of Industrial Organization , Vol. 58, Iss. 2, pp. 263-273, 2021.
Competition between offline and online retailers with heterogeneous customers , ISER DP 1056, 2019 (co-authored with Stefano Colombo), (previous title: Lowering customer costs in competition between physical and internet retailers:
does it always pay?), Review of Industrial Organization , Vol. 57, Iss. 3, pp. 647-664, 2020.
Competitive personalized pricing (which was presented at several workshops under the title "Competitive personalized pricing with sophisticated consumers"), ISER-DP 1023, 2018 (co-authored with Zhijun Chen and Chongwoo Choe) Management Science , Vol. 66, No. 9, pp. 4003-4023, 2020 (cited in the background note (pdf) of Personalised Pricing in the Digital Era - OECD , the Finnish Competition and Consumer Authority )
Pre-negotiation commitment and internalization in public good provision through bilateral negotiations , (ISER DP 948R, 2017 , SSRN Version, 2019 ), Journal of Public Economics , Vol. 175, pp. 84-93, 2019, (co-authored with Ryusuke Shinohara).
Pricing with cookies: Behavior-based price discrimination and spatial competition , (WP version, 2017-07 ), Management Science , Vol. 64, Iss. 12, pp. 5669-5687, 2018, (co-authored with Chongwoo Choe and Stephen P. King), (cited in the background note (pdf) of Personalised Pricing in the Digital Era - OECD , the Finnish Competition and Consumer Authority ).
The countervailing power hypothesis when dominant retailers function as sales promoters , (ISER DP 0981R, 2017 ), Manchester School , Vol. 86, Iss. 5, pp. 665-680, 2018, (co-authored with Shohei Yoshida).
Strategic investment under competition for access provision (the former title "Competition for access provision: Infrastructure upgrades with spillovers," 2015), Telecommunications Policy , Vol. 42, Iss. 2, pp. 127-144, 2018, (co-authored with Keizo Mizuno).
Exclusive contracts with complementary inputs , (ISER DP 918R, 2015 , Revised version (2017) , International Journal of Industrial Organization , Vol. 56, pp. 145-167, 2018, (co-authored with Hiroshi Kitamura and Misato Sato).
Expanding distribution channels , (ISER DP 958, 2016 ), Asia-Pacific Journal of Accounting and Economics , Vol. 24, Iss. 3-4, pp. 464-484, 2017.
Exclusive contracts and bargaining power . (ISER DP 978, 2016 ), Economics Letters , Vol. 151, pp. 1-3, 2017, (co-authored with Hiroshi Kitamura and Misato Sato).
Should firms employ personalized pricing? , (ISER DP 869, 2013 ), the Appendix (not for publication) , Journal of Economics & Management Strategy , Vol. 24, Iss. 4, pp. 887-903, 2015,(co-authored with Toshihiro Matsumura).
Product differentiation and entry timing in a continuous time spatial competition model , (ISER DP 915, 2014 ), European Journal of Operational Research , Vol. 247, Iss. 3, pp. 904-913, 2015, (co-authored with Takeshi Ebina and Daisuke Shimizu).
The effects of resale-below-cost laws in the presence of a strategic manufacturer , (ISER DP 875, 2013 ), Quantitative Marketing and Economics , Vol. 13, Iss. 1, pp. 59-91, 2015, (co-authored with Akira Miyaoka).
Multimarket linkages, Trade, and the productivity puzzle , (ISER DP 797, 2010 ), Review of International Economics , Vol. 23, Iss. 1, pp. 1-13, 2015, (co-authored with Laixun Zhao).
How does market size affect vertical structure when considering vertical coordination? Application to the railway industry , (ISER DP 820, 2011 ), Pacific Economic Review , Vol. 19, No. 5, pp. 657-676, 2014, (co-authored with Fumitoshi Mizutani).
What factors determine the number of trading partners? , (ISER DP 808, 2011 ; Discussion Paper at Shinshu U, 2008 ), (Web Appendix ), Journal of Economic Behavior & Organization , Vol. 106, No. 1, pp. 428-441, 2014, (co-authored with Ryusuke Shinohara).
Port privatization in an international oligopoly , (ISER DP 864, 2013 ), Transportation Research Part B: Methodological , Vol. 67, No. 1, pp. 382-397, 2014, (co-authored with Kazuhiro Takauchi).
Environmental regulation and technology transfers , (ISER DP 862, 2012 ), Canadian Journal of Economics , Vol. 47, No. 3, pp. 889-904, 2014 (co-authored with Takao Asano).
The welfare effects of third-degree price discrimination in a differentiated oligopoly , (ISER DP 800, 2011 ), Economic Inquiry , Vol. 52, No. 3, pp. 1231-1244, 2014 (co-authored with Takanori Adachi).
Multi-market competition, R&D, and welfare in oligopoly , (A previous version , ISER DP-796, 2010), Southern Economic Journal, Vol. 80, No. 3, pp. 803-815, 2014 (co-authored with Akio Kawasaki and Ming Hsin Lin).
Horizontal mergers, firm heterogeneity, and R&D investments , (ISER DP 754, 2009 ), The B.E. Journal of Economic Analysis and Policy (Topics), Vol. 13, No. 2, pp. 959-990, 2013 (co-authored with Yasuhiro Sato and Kazuhiro Yamamoto).
Vertical separation as a defense against strong suppliers , (ISER DP 755, 2009 ), European Journal of Operational Research , Vol. 228, Iss. 1, pp. 208-216, 2013 (co-authored with Tomomichi Mizuno).
Competitiveness and R&D competition revisited , (ISER DP 752, 2009 ), Economic Modelling, Vol. 31, Iss. 1, pp. 541-547, 2013 (co-authored with Susumu Cato and Toshihiro Matsumura).
The arm's length principle and tacit collusion , Discussion Paper Version , International Journal of Industrial Organization, Vol. 31, Iss. 1, pp. 119-130, 2013, (co-authored with Chongwoo Choe).
Competitiveness and stability of collusive behavior, (Supplemental material) , Bulletin of Economic Research, Vol. 64, Iss. Supplement s1, pp. s22-s31, 2012, (co-authored with Toshihiro Matsumura).
Why do large firms tend to integrate vertically? Bulletin of Economic Research, Vol. 64, Iss. Supplement s1, pp. s1-s21, 2012, (co-authored with Tomomichi Mizuno).
Airport privatization and international competition , (A previous version , ISER DP-792, 2010), Japanese Economic Review , Vol. 63, Iss. 4, pp. 431-450, 2012 (co-authored with Toshihiro Matsumura).
Should public sectors be complements of private sectors? , (A previous version , 2008), Journal of Institutional and Theoretical Economics , Vol. 168, No. 4, pp. 712-729, 2012, (co-authored with Ikuo Ishibashi).
Profit-enhancing know-how disclosure: A strategic view , (A previous version , 2008), supplementary material , Manchester School , Vol. 80, Iss. 5, pp. 560-579, 2012, (co-authored with Susumu Ogawa).
Locating outside a linear city can benefit consumers , (A previous version , ISER DP-761, 2009), Journal of Regional Science, , Vol. 52, Iss. 3, pp 420-432, 2012, (co-authored with Toshihiro Matsumura).
Equilibrium vertical integration with complementary input markets , (A previous version , ISER DP-770, 2010), The B.E. Journal of Economic Analysis & Policy , Vol. 12: Iss. 1 (Contributions), Article 26, 2012, (co-authored with Tomomichi Mizuno).
Profit enhancing competitive pressure in vertically related industries , (A previous version , 2009), Journal of the Japanese and International Economies, Vol. 26, no. 1, pp 142-152, 2012, (co-authored with Tomomichi Mizuno).
Welfare properties of strategic R&D investments in Hotelling models , Economics Letters , Vol. 115, no. 3, pp 465-468, 2012, (co-authored with Toshihiro Matsumura).
Spatial Cournot competition and transportation costs in a circular city , Annals of Regional Science , Vol. 48, no. 1, pp 33-44, 2012, (co-authored with Toshihiro Matsumura).
Market competition, R&D and firm profits in asymmetric oligopoly , (A previous version , 2008), Journal of Industrial Economics, , Vol. 59, no. 3, pp 484-505, 2011, (co-authored with Junichiro Ishida and Toshihiro Matsumura).
Collusion, agglomeration, and heterogeneity of firms , Games and Economic Behavior , Vol. 72, no. 1, pp 306-313, 2011, (co-authored with Toshihiro Matsumura).
When small firms fight back against large firms in R&D activities (A previous version , ISER DP-742, 2009), The B.E. Journal of Economic Analysis & Policy , Vol. 10, Iss. 1 (Topics), Article 81, 2010, (co-authored with Toshihiro Matsumura).
Profit enhancing parallel imports , Open Economies Review , Vol. 21, no. 3, pp 433-447, 2010, (co-authored with Toshihiro Matsumura)
Location equilibrium with asymmetric firms: the role of licensing , Journal of Economics , Vol. 99, no. 3, pp. 267-276, 2010, (co-authored with Toshihiro Matsumura and Giorgos Stamatopoulos).
Privatization and entries of foreign enterprises in a differentiated industry , Journal of Economics , Vol. 98, no. 3, pp. 203-219, 2009, (co-authored with Toshihiro Matsumura and Ikuo Ishibashi).
Does yardstick regulation really work? Empirical evidence from Japan's rail industry. Journal of Regulatory Economics, Vol. 36, no. 3, pp. 308-323, 2009, (co-authored with Fumitoshi Mizutani and Hideo Kozumi).
Vertical mergers and product differentiation , Journal of Industrial Economics , Vol. 57, no. 4, pp. 812-834, 2009.
Should civil servants be restricted in wage bargaining? A mixed-duopoly approach , the supplemental material . Journal of Public Economics , Vol. 93, nos. 3-4, pp. 634-646, 2009, (co-authored with Junichiro Ishida).
The existence of low-end firms may help high-end firms, Marketing Science , Vol. 28, no. 1, pp. 136-147, 2009, (co-authored with Ikuo Ishibashi).
Cost differentials and mixed strategy equilibria in a Hotelling model , supplementary figures , Annals of Regional Science , Vol. 43, no. 1, pp. 215-234, 2009, (co-authored with Toshihiro Matsumura).
Price ceilings, product location, and welfare , Journal of Economics , Vol. 95, no. 3, pp. 233-253, 2008.
Congestion-reducing investments and economic welfare in a Hotelling model , Economics Letters , Vol. 96, no. 2, pp. 161-167, 2007. (co-authored with Toshihiro Matsumura)
Uncertainty of voters' preferences and differentiation in a runoff system , the supplementary material , European Journal of Political Economy, Vol. 23, no. 4, pp. 1185-1189, 2007.
Industry profits and free entry in input markets , Economics Letters , vol. 93, no. 3, pp. 329-336, 2006.
Mixed Oligopoly, Foreign Firms, and Location Choice , Regional Science and Urban Economics , vol. 36, no. 6, pp. 753-772, 2006. (co-authored with Toshihiro Matsumura)
FDI may help rival firms , Economics Bulletin , Vol. 6 no. 22 pp. 1-8, 2005. (co-authored with Junichiro Ishida)
Cartel stability in a delivered pricing oligopoly" , Journal of Economics (Zeitschrift für Nationalökonomie) , vol. 86, No. 3, pp. 259-292, 2005. (co-authored with Toshihiro Matsumura)
Technology of upstream firms and equilibrium product differentiation , International Journal of Industrial Organization , vol. 22, Nos. 8-9, pp. 1091-1114, 2004.
Endogenous cost differentials between public and private enterprises: a mixed duopoly approach , Economica , vol. 71, No. 4, pp. 671-688, 2004. (co-authored with Toshihiro Matsumura)
A non-cooperative analysis of a circular city model , Regional Science and Urban Economics , vol. 34, No. 5, pp. 575-589, 2004. (co-authored with Junichiro Ishida)
Mixed oligopoly and spatial agglomeration , Canadian Journal of Economics , vol. 36, No. 1, pp. 62-87, 2003. (co-authored with Toshihiro Matsumura)
Mixed duopoly with product differentiation: sequential choice of location , Australian Economic Papers , vol. 42, No. 1, pp 18- 34, 2003. (co-authored with Toshihiro Matsumura)
Cournot competition and spatial agglomeration revisited , Economics Letters , vol. 73, No. 2, pp. 175-177, 2001.
Horizontal mergers and merger waves in a location model , Australian Economic Papers , vol. 40, No. 3, pp. 263-286, 2001.
Published papers in Japanese / non-journal articles
Heterogeneity and number of players in rent-seeking, innovation, and patent-race games (Older version: Working paper at Niigata U. ), in Equilibrium Theory for Cournot Oligopolies and Related Games: Essays in Honour of Koji Okuguchi (Springer Series in Game Theory) , 2016, (co-authored with Takeshi Yamazaki).
Koshoryoku wo naiseika shitamotodeno kumiaikatsudo no bunseki , Kokumin Keizai Zasshi , 200(2), 57-66, 2009. (In Japanese) (co-authored with Junichiro Ishida)
Hiyo no Fukakujitsusei to seihin tokusei no kankei , Kokumin Keizai Zasshi , 196(4), 19-31, 2007. (In Japanese) (co-authored with Toshihiro Matsumura)
Kakaku no jougen kisei to kigyou no seisan tokka , Shakai Kagaku Kenkyu , 56(3,4), 135-145, 2007. (In Japanese)
Endogenous timing of long-term and short-term contracts with technological compatibility , Shakai Kagaku Kenkyu , 55(3,4), 65-92, 2003.
Hampu-ken to chuko sofuto hambai mondai , Shakai Kagaku kenkyu , 51(3), 135-151, 2000. (In Japanese)
Sosho Kakuritu to Hanketu no Yoken Kanousei , Finacial Review 49 , 91-113, 1999. (In Japanese) (co-authored with Toshihiro Matsumura)
Unpublished papers
Infrastructure upgrades and foreclosure with coexistence of service-based and facility-based firms , ISER Osaka University Discussion Paper: No. 860, 2012, (co-authored with Keizo Mizuno).
Strategic dual sourcing as a driver for free revealing of innovation , ISER Osaka University Discussion Paper: No. 936, 2015 (co-authored with Laixun Zhao). This Discussion Paper is divided into the following two papers:
1. Technology spillovers and outside options in a bilateral duopoly , ISER Osaka University Discussion Paper: No. 1039, 2018 (co-authored with Laixun Zhao).
2. Market expansion may harm the supplier in a bilateral monopoly , ISER Osaka University Discussion Paper: No. 1040, 2018 (co-authored with Laixun Zhao).
Outsourcing,input compatibility, and product positioning (former title Strategic perils of outsourcing: Sourcing strategy and product positioning (ISER-DP 983, 2016)), 2019 (co-authored with Cong Pan).
Naked exclusion under exclusive-offer competition , ISER Osaka University Discussion Paper: No. 1021, 2018 (co-authored with Hiroshi Kitamura and Misato Sato).
A manufacturer's incentive to open its direct channel and its impact on welfare , ISER Osaka University Discussion Paper: No. 1026, 2018 (co-authored with Tomomichi Mizuno and Cong Pan).
Supplier encroachment and retailer effort , ISER Osaka University Discussion Paper: No. 1027, 2018 (co-authored with Tomomichi Mizuno).
The effect of the dominant supplier's exclusive dealing on its investment and welfare, 2020 (co-authored with Arijit Mukherjee and Shohei Yoshida).
Lease or sale: When a durable goods monopolist can choose supply chain's openness , ISER Osaka University Discussion Paper: No. 1127 , 2021 (co-authored with Hiroshi Kitamura and Misato Sato).
The countervailing power hypothesis and contingent contracts , ISER Osaka University Discussion Paper: No. 1191 , 2022 (co-authored with Shohei Yoshida).
The effects of personal data management on competition and welfare , ISER Osaka University Discussion Paper: No. 1201 , 2023 (co-authored with Jiajia Cong).
Strategic anonymity and behavior-based pricing , ISER Osaka University Discussion Paper: No. 1219 , 2023 (co-authored with Stefano Colombo and Paolo G. Garella).
Welfare implications of personalized pricing in competitive platform markets: The role of network effects CESifo Working Paper No. 10994, 2024 (co-authored with Qiuyu Lu and Shiva Shekhar), resubmitted to a refereed journal .
The interaction between personalized pricing and multi-item purchases: A random utility model approach, 2024 (co-authored with Qiuyu Lu) resubmitted to Economics Letters .
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