Lifetime Employment and Mixed Cournot Duopoly with State-Owned and Joint-Stock Firms

Document Type: Original Research


Institute for Basic Economic Science, Osaka, Japan


This paper examines a mixed duopoly model in which a state-owned firm competes with a joint-stock firm. The following two stages are considered. In the first stage, each firm can simultaneously and independently decide whether or not to offer lifetime employment as a strategic commitment. In the second stage, each firm simultaneously and independently chooses its actual output. The paper shows that there are two equilibrium solutions in the model.


Bárcena-Ruiz, J. C., Garzón, M. B. (2003). Mixed duopoly, merger and multiproduct firms. Journal of Economics 80, 27-42.
Beladi, H., & Chao, C.-C. (2006). Does privatization improve the environment? Economics Letters, 93, 343-347.
Chang, W. W. (2005). Optimal trade and privatization policies in an international duopoly with cost asymmetry. Journal of International Trade and Economic Development, 14, 19-42.
Chao, C. C., & Yu, E. S. H. (2006). Partial privatization, foreign competition, and optimal tariff. Review of International Economics, 14, 87-92.
Cooper, T. E. (1986). Most-favored-customer pricing and tacit collusion. Rand Journal of Economics, 17, 377-388.
Cremer, H., Marchand, M., & Thisse, J.-F. (1991). Mixed oligopoly with differentiated products. International Journal of Industrial Organization, 9, 43-53.
Delbono, F., & Rossini, G. (1992). Competition policy vs horizontal merger with public entrepreneurial, and labor-managed firms. Journal of Comparative Economics. 16, 226-240.
Delbono, F., & Scarpa, C. (1995). Upward-sloping reaction functions under quantity competition in mixed oligopolies. Bulletin of Economic Research, 47, 341-346.
Fjell, K., & Heywood, J. S. (2002). Public Stackelberg leadership in a mixed oligopoly with foreign firms. Australian Economic Papers, 41, 267-281.
Fjell, K., & Pal, D. (1996). A mixed oligopoly in the presence of foreign private firms. Canadian Journal of Economics, 29, 737-743.
Harris, R. G., & Wiens, E, G. (1980). Government enterprise: An instrument for internal regulation of industry. Canadian Journal of Economics, 13, 125-132.
Hey, J. D. (1981). A unified theory of the behaviour of profit-maximising, labour-managed and joint-stock firms operating under uncertainty. Economic Journal, 91, 364-374.
Heywood, J. S., & Ye, G. (2010). Optimal privatization in a mixed duopoly with consistent conjectures. Journal of Economics, 101, 231-246.
Lu, Y., & Poddar, S. (2009). Endogenous timing in a mixed duopoly and private duopoly – ‘capacity-then-quantity’ game: The linear demand case. Australian Economic Papers, 48, 138-150.
Matsumura, T., & Kanda, O. (2005). Mixed oligopoly at free entry markets. Journal of Economics, 84, 27-48.
Meade, J. E. (1972). The theory of labour-managed firms and of profit sharing. Economic Journal, 82, 402-428.
Merrill, W., & Schneider, N. (1966). Government firms in oligopoly industries: A short-run analysis. Quarterly Journal of Economics, 80, 400-412.
Mujumdar, S., & Pal, D. (1998). Effects of indirect taxation in a mixed oligopoly. Economics Letters, 58, 199-204.
Nett, L. (1993). Mixed oligopoly with homogeneous goods. Annals of Public and Cooperative Economics, 64, 367-393.
Ohnishi, K. (2008). Strategic commitment and international mixed competition with domestic state-owned and foreign labor-managed firms. FinanzArchiv, 64, 458-472.
Ohnishi, K. (2009). Capacity investment and mixed duopoly with state-owned and labor-managed firms. Annals of Economics and Finance, 10, 49-64.
Ohnishi, K. (2010). Lifetime employment contract and quantity competition with profit-maximizing and joint-stock firms. Journal of Institutional and Theoretical Economics, 166, 462-478.
Ohnishi, K. (2015). Lifetime employment and a three-stage model with state-owned and joint-stock firms. In Ohnishi, K. (Ed.), Firms’ Strategic Decisions: Theoretical and Empirical Findings, Volume 1 (pp. 155-169). Sharjah, UAE: Bentham Science Publishers.
Ohnishi, K. (2016). Lifetime employment and a sequential choice in a mixed duopoly market with a joint-stock firm. International Journal of Management, Accounting and Economics, 3, 183-195.
Pal, D. (1998). Endogenous timing in a mixed oligopoly. Economics Letters, 61, 181-185.
Pal, D., & Saha, B. (2014). Mixed duopoly and environment. Journal of Public Economic Theory, 16, 96-118.
Pal, D., & White, M. D. (1998). Mixed oligopoly, privatization, and strategic trade policy. Southern Economic Journal, 65, 264-281.
Poyago-Theotoky, J. (1998). R&D competition in a mixed duopoly under uncertainty and easy imitation. Journal of Comparative Economics, 26, 415-428.
Saha B., & Sensarma, R. (2008). The distributive role of managerial incentives in a mixed duopoly. Economics Bulletin, 12, 1-10.
Wang, L. F. S., & Lee, J. Y. (2010). Partial privatization, foreign competition, and tariffs ranking. Economics Bulletin, 30, 2405-2012.
Wang, L. F. S., & Wang, J. (2009). Environmental taxes in a differentiated mixed duopoly. Economic Systems, 33, 389-396.
Ware, R. (1986). A model of public enterprise with entry. Canadian Journal Economics, 19, 642-655.
White, M. D. (1996). Mixed oligopoly, privatization and subsidization. Economics Letters, 53, 189-195.
Willner, J. (1994). Welfare maximization with endogenous average costs. International Journal of Industrial Organization, 12, 373-386.
Zhang, J. & Li, C. (2013). Endogenous R&D spillover and location choice in a mixed oligopoly. Annals of Regional Science, 51, 459-477.