RESEARCH

Articles in Refereed Journals (in English)

1. "Strategic Investments under Competition for Access Provision" (with Noriaki Matsushima), Telecommunications Policy vol.42, 127-144, 2018.

2. "Overusing a Bypass under Cost-Based Access Regulation: Underinvestment with Spillovers" (with Ichiro Yoshino), Journal of Regulatory Economics vol.47 No.1, 29-57, 2015.

3. "Strategic Location Choice and Network Formation for Entry" (with Yasunori Okumura), Journal of Institutional and Theoretical Economics vol.170 No.2, 201-224, 2014.

4. "On the Informativeness of External Equity and Debt" (with Kazuhiko Mikami), Journal of Business Administration Research vol.2 No.1, 58-65, 2013.

5. "Managerial Incentives and Endogenous Coalition Formation with Externalities", Mathematical Social Sciences vol.66, 33-43, 2013.

6. "Distorted Access Regulation with Strategic Investments: Regulatory Non-Commitment and Spillovers Revisited" (with Ichiro Yoshino), Information Economics and Policy vol.24, 120-131, 2012.

7. "Gradual Network Expansion and Universal Service Obligations" (with Axel Gautier), Annals of Public and Cooperative Economics vol.82, 97-113, 2011.

8. "Deregulation and Labour Earnings: Three Motor Carrier Industries in Japan" (with Akira Kawaguchi), Labour Economics vol.18, 441-452, 2011.

9. "Incentive Transfer Schemes with Marketable and Nonmarketable Public Services" (with Nobuo Akai and Hiroshi Osano), Journal of Institutional and Theoretical Economics vol.166(4), 614-640, 2010.

10. "Comparison of Investment Regimes with Cost-Based Access Pricing Rules", Japan and the World Economy, vol.21, 248-255, 2009.

11. "Competition Schemes and Investment in Network Infrastructure under Uncertainty" (with Keiichi Hori), Journal of Regulatory Economics, vol.35, 179-200, 2009.

12. "Delegating Infrastructure Projects with Open Access" (with Tetsuya Shinkai), Journal of Economics, vol.88, 243-261, 2006.

13. "Access Pricing and Investment with Stochastically Growing Demand" (with Keiichi Hori), International Journal of Industrial Organization, vol.24, 795-808, 2006.

14. "Industrial Diversity and Metropolitan Unemployment Rate" (with Fumitoshi Mizutani and Noriyoshi Nakayama), Annals of Regional Science, vol.40 No.1, 157-172, 2006.

15. "Pre-commitment to an Exclusive Contract under Partial Regulation", International Journal of the Economics of Business, vol.12, 211-223, 2005.

16. "Yardstick Rules for Public Utilities with Vertical Structures" (with Makoto Okamura), Studies in Regional Science, vol.25 No.2, 47-57, 1995.

17. "A Note on Product Diversity in Scale Economies" (with Kazuhiko Mikami), Economic Studies Quarterly, vol.45 No.4, 347-352, 1994.

Articles in Refereed Journals (in Japanese)

18. "Fukakujitsuseika ni Okeru Saiken Dhilar no Saitekika Kohdoh (The Behavior of the Security Dealer under Uncertain World)", Japan Financial Review, No.8, 55-67, 1988.

Articles in Non-Refereed Journals (in English)

19. "Network Investment and Competition with Access-to-Bypass", (with Keiichi Hori), Kokyuroku, No.1462, 186-201, 2006.

20. "On Executive Agency Systems" (with Nobuo Akai and Hiroshi Osano), Osaka Economic Papers, vol.54 No.4, 103-109, 2005.

21. "A Simple Model of Regulated Firms' Incentives for Quality Supply", International Review of Business, No.2, 65-79, 1997.

22. "An Analysis of Two-Part Tariff Schedules with an Obligation to Serve", The Bulletin of Kyoto University of Education, No.82A, 37-44, 1993.

23. "Some Characteristics of an Incentive Regulatory Scheme with Two-Dimensional Unknown Costs", Kobe Gakuin Economic Papers, vol.24 No.2, 57-74, 1992.

24. "Nonlinear Pricing with Unknown Taste and Cost", Ryukoku Journal of Economic Studies, vol.32 No.2, 103-113, 1992.

25. "An Incentive Regulatory Scheme with Unknown Cost and Demand", The Bulletin of Kyoto University of Education, No.79A, 77-89, 1991.

26. "Welfare Aspects of the Fair Rate of Return Regulation ? A Simple General Equilibrium Analysis ?", Ryukoku Journal of Economic Studies, vol.31 No.4, 33-42, 1991.

Articles in Non-Refereed Journals (in Japanese)

27. "Yunibahsaru-kisei ka ni okeru kyoso to nettowahku seibi (Competition and Network Deployment under Universal-Service Regulation)", Journal of Business Administration Kwansei Gakuin University, vol.64 No.5, 141-158, 2017.

28. "Burodobando seibi ni okeru supiruobakouka―dare no tameni kane ha narunoka― (Spillover Effect in Broadband Deployment: For Whom the Bell Rings)", Journal of Business Administration Kwansei Gakuin University, vol.61 No.3, 219-240, 2014.

29. "Setsuzoku/Takusou to Senryakuteki-Infura-Toshi Kohdoh (Access, Wheeling and Strategic Investment in Infrastructure)", The Journal of Social Science, vol.60 Nos.3-4, 61-87, 2009.

30. "Nettowahku-Setsubi-Kaihoh-Seisaku to Setsubi-Tohshi-Yuinn ? Choki-Zoubun-Hiyou-Ruhru no Zehi to Hukakujitsisei no Eikyo ni Tsutite ? (Open Access Policy and Investment in Network Infrastructure ? Long-run Incremental Cost Rule and the Effect of Uncertainty)", Journal of Business Administration Kwansei Gakuin University, vol.53 No.1, 15-31, 2005.

31. "Setsuzoku-Ryokin Ruhru to Nettowahku Keisei ? Choki-Zoubun-Hiyou-Ruhru no Kohzai ? (Access Pricing Rule and Network Formation ? The Evaluation of Long-run Incremental Cost Rule)" (with Tetsuya Shinkai), The Journal of Social Science, vol.56 Nos.3-4, 181-192, 2005.

32. "Dokuritsu-Gyosei-Houjin Sisutemu no Keizai Riron (Economic Theory of Independent Administrative Agency System)" (with Nobuo Akai and Hiroshi Osano), Financial Review, No.67, 151-171, 2003.

33. "Kotei-Saizu Purojekuto wo Motsu Hikisei-Kigyo no Shihon-Kousei (Capital Structure of a Regulated Firm with a Fixed-Size Project)" (with Hirofumi Uchida), Keizai Riron, No.305, 77-89, 2002.

34. "Chukanzai-Aitai-Torihiki to Koueki-Jigyo-Kisei ? Kouritsuteki Kousyo to Sendouteki Kakaku Settei ? (Public Utility Regulation with Bilateral Trade for Intermediate Goods: Efficient Bargaining vs. Exclusive Price Setting)", The Hikone Ronso, No.332, 45-65.

35. "Sijo-Jiyuka to Setsubi-Toushi (Deregulation and Investment)", Journal of Business Administration Kwansei Gakuin University, vol.48 No.3, 119-132, 2001.

36. "Seifu-Sisutem ni Kansuru Yobiteki Kousatsu ? Keiyaku-Riron Apurohchi ? (A Preliminary Analysis on Government System: A Contract Theory Approach", Journal of Business Administration Kwansei Gakuin University, vol.47 No.4, 147-159, 2000.

37. "Kourisijou ni okeru Kyousou to Setsuzoku-Ryoukin ? Nettowahk Setsubi-Syoyusya no Setsuzoku-Ryoukin Settei no Yuin (Competition in a Retail Market and Access Charge: An Incentive of a Network-Owner for Setting Access Charge)", Journal of Business Administration Kwansei Gakuin University, vol.47 No.3, 97-111, 2000.

38. "Bubun-Jiyuka no moto deno Kaisyu-Funoh-Hiyo no Chosyu (Stranded Cost Recovery under a Partial Regulation", Journal of Public Utility Economics, vol.51 No.2, 33-38, 1999.

39. "Chiho-Bunken to Chuo-Shuken ? Kohkyo-Tousi kara Syozuru Keizai-Kousei no Hikaku ? (Decentralization vs. Centralization: Welfare Comparison of Public Investment)", Journal of Business Administration Kwansei Gakuin University, vol.46 No.3, 205-225, 1999.

40. "Shikin-Chotatsu-Sijou ni Okeru Kisei-Kanwa to Koueki-Jigyou-Kisei (Deregulation in Financial Markets and Public-Utility Regulation)", Journal of Public Utility Economics, vol.49 No.2, 19-26, 1997.

41. "Gaibu-Kouka wo Tomonau Fukusen-Kyousou to Keizai-Kousei (Welfare Analysis of Duopoly with Externality)", Journal of Business Administration Kwansei Gakuin University, vol.44 No.2, 55-65, 1996.

42. "Soukatsu-Genka-Housiki ni Yoru Tanki-Chousei to Jougen-Kakaku-Kisei (Price-Cap Regulation with Cost-Based Regulatory Review)", Journal of Public Utility Economics, vol.46 No.3, 109-133, 1995.

43. "Naibu-Sougo-Hojo-Seisaku to Shikigyo Sannyu (The Cross-Subsidization Policy and the Entry of Private Firms)", Osaka Economic Papers, vol.39 Nos.3-4, 42-51, 1990.

Books (in Japanese)

44. Sijo to Kigyo no Keizaigaku (Economics of Businesses and Markets) (with Shingo Ishiguro and Tetsuya Shinkai), Koyo Shobo, Kyoto Japan, 2002.

45. Koh-eki-Jigyo-Kisei no Moderu Bunseki (Economic Analysis of Public Utility Regulation), Zeimu-Keiri Kyokai, Tokyo Japan, 2001.

46. Keizaigaku Nyumon (Introductory Economics) (with Katsuhiko Ikeda and Kenzo Hirose), Chuo Keizaisya, Tokyo Japan, 1997.

Book Chapters, Articles in Books (in English)

47. "Service-Based versus Infrastructure-Based Competition: A Real Options Approach" (with Keiichi Hori) in Infrastructure versus Service-Based Competition: The Case of Mobile Telecommunications (L. Benzoni and P. Geoffron, eds.), Quantifica Publishing, France, 73-81, 2008.

48. "From Access to Bypass: A Real Options Approach" (with Keiichi Hori) in Stochastic Processes and Applications to Mathematical Finance (J. Akahori, S. Ogawa, and S. Watanabe, eds.), World Scientific, Singapole, 127-150, 2008.

Book Chapters, Articles in Books (in Japanese)

49. "Takusou Kyokyu to Paipurain Seibi (Access, Wheeling, and Pipeline Infrastructure)" (with Koji Domon) in Toshigasu-Sangyo no Sogo Bunseki (Evolution of the City Gas Industry) (K. Takenaka, ed.), NTT Shuppan, Tokyo Japan, Chapter 3, 2009.

50. "Sizen-Dokusen Kisei, Kyousou-Dounyu Seisaku, Kyousou Seisaku (Natural Monopoly Regulation, Promoting-Competition Policy, and Competition Policy)" in Insenthibu Sekkei no Keizaigaku (Economics on Incentive Design) (H. Itoh and H. Osano, eds.), Keiso Shobo, Tokyo Japan, Chapter 7, 2003.

51. "Sizen Dokusen (Natural Monopoly)" and "Kisei (Regulation)" in Kokyo Keizaigaku (Public Economics) (T. Kishimoto and J. Iritani, eds.), Yachiyo Shupan, Tokyo Japan, Chapters 5 and 11, 1998.

52. "Kisei to Kisei-kanwa no Keizai Riron (Economics of Regulation and Deregulation)" and "Chiho-Kouei-Josuidoh Jigyo no Genjo to sono Hyoka (Public Enterprises in Japanese Water Industry and its Evaluation)" in Kisei-kanwa to Chiiki-Keizai (Deregulation and Local Economy) (T. Iguchi, ed.), Zeimu-Keiri Kyokai, Tokyo Japan, Chapters 2 and 5, 1996.

53. "Kansai-Gakujutsu-Kenkyu-Toshi no Keizai-Kohsei Bunseki (Welfare Analysis on Kansai Research Area)" in Chiiki Dainamizumu no Kenkyu (Studies in Dynamism of Local Areas) (T. Iguchi, ed.), Minuruba Shobo, Kyoto Japan, 1992.

54. "Naibu-Sogo-Hojo-Riron no Genjo (A Survey on the Theory of Cross-Subsidization)" in Koueki-Jigyo to Kisei-Kanwa (Public Utilities and Deregulation) (T. Hayashi, ed.), Toyo-Keizai Shinpohsya, Toyko Japan, Chapter 7, 1990.

Work in Progress

55. "Excessive Formation of Joint Ventures with Strategic Technology Non-Adoption" (with Kazuhiko Mikami)

56. "Sequential Multimarket Coopetition"

57. "Signaling by Infrastructure Coverage" (with Tsuyoshi Takahara)

58. "Strategic Aspects of Bundling to Prevent Information Acquisition" (with Keiichi Hori)

59. "Preemption and Product Differentiation with Non-Savvy Consumers: A Real-Options Approach" (with Kohei Daido)

60. "Partial Integration and Evolution of Infrastructure Coverage with Nonlinear Access Charge: A Threshold-Function Approach" (with Romain Lestage)

61. "Matching Markets for Public-Private Partnership"