A Research on the Effects of Merger and Business-to-business Transactions

• Project/Area Number: 22830066
• Research Category: Grant-in-Aid for Research Activity Start-up
• Allocation Type: Single-year Grants
• Research Field: Applied economics
• Research Institution: University of Nagasaki
• Principal Investigator: MIZUNO Tomomichi 長崎県立大学, 経済学部, 講師 (60589315)
• Project Period (FY): 2010 – 2011
• Project Status: Completed (Fiscal Year 2011)
• Budget Amount: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000); Fiscal Year 2011: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
• Keywords: 企業間取引 / 垂直的市場 / 寡占市場 / 競争政策 / 寡占

Research Abstract

I discussed the relationship between business-to-business transactions(vertical market) and the effects of merger(vertical integration and horizontal merger). I obtained the main results as follows.(1) I analyzed equilibrium vertical integration with complementary input markets.(2) I showed that large firms tend to integrate vertically.(3) I discussed the relationship between the decision of direct marketing and the number of retailers.(4) I showed that competitive pressure in upstream market may increase the profit of upstream firms.(5) Using an event study approach, I considered market definition of long distance transportation market in Japan.

Research Products

• [Journal Article] Direct Marketing in Oligopoly (2012)
  • Author(s): 水野倫理
  • Journal Title: Journal of Economics & Management Strategy Volume: Vol.21, Iss. 2 Pages: 373-397
• [Journal Article] Profit-enhancing Competitive Pressure in Vertically Related Industries (2012)
  • Author(s): 松島法明, 水野倫理
  • Journal Title: Journal of the Japanese and International Economies Volume: Vol.26, Iss. 1 Pages: 142-152
  • NAID: 210000182563
• [Journal Article] Market Definition of Long Distance Transportation Market in Japan : An Event Study Approach (2011)
  • Author(s): 水野倫理, 英邦広
  • Journal Title: Asian Journal of Law and Economics Volume: Vol.2, Iss. 2 Issue: 2
  • DOI: 10.2202/2154-4611.1032
• [Journal Article] Why do large firms tend to integrate vertically? (2011)
  • Author(s): Noriaki Matsushima, Tomomichi Mizuno
  • Journal Title: Bulletin of Economic Research Volume: (近刊) Issue: s1
  • DOI: 10.1111/j.1467-8586.2012.00433.x
  • Peer Reviewed
• [Journal Article] Equilibrium Vertical Integration with Complementary Input Markets
  • Author(s): 松島法明, 水野倫理
  • Journal Title: B. E. Journal of Economic Analysis & Policy
• [Journal Article] Why Do Large Firms Tend to Integrate Vertically?
  • Author(s): 松島法明, 水野倫理
  • Journal Title: Bulletin of Economic Research
• [Journal Article] Direct Marketing in Oligopoly
  • Author(s): 水野倫理
  • Journal Title: Journal of Economics and Management Strategy Volume: (近刊)
  • Peer Reviewed