Abstract:In this paper, I investigate endogenous roles in a mixed duopoly, where private and state‐owned public turns compete, by allowing two production periods. I find that many equilibria exist, including the Coumot‐type equilibrium and one Stackelberg‐type equilibrium where the public firm becomes the follower. However, another Stackelberg‐type equilibrium where the public firm becomes the leader does not exist. If small inventory costs are introduced, the unique equilibrium outcome becomes the Stackelberg type whe… Show more
“…We find that multiple equilibria may exist, including the Cournot‐type and Stackelberg‐type. This is ipso facto consistent with Ono (1978), Robson (1990), and Matsumura (2003) when the marginal cost of the public firm is relatively high, even though in a vertically related market involving partial privatization of the upstream public firm.…”
Section: Introductionsupporting
confidence: 82%
“…When θ = 0 and c c > 2 meaning the public firm is purely state-owned and the marginal cost of the public firm is relatively high, the public leadership competition is an equilibrium. In some ways, this is coherent with Pal (1998) and Matsumura (2003) when the number of upstream private firms is less than two.…”
Section: Equilibria Of the Upstream Gamementioning
confidence: 75%
“…Proof See the appendix. □ Matsumura (2003) has shown that in a traditional downstream mixed duopoly model with multiperiod production and constant‐marginal cost, the public leadership is never optimal. They further state in a footnote that if each firm can only produce once, then both Stackelberg outcomes are sustainable as equilibria if the cost of the public firm is high relative to that of the private firm.…”
Section: Equilibria Of the Upstream Gamementioning
We investigate the upstream public firm's desirable option of production timing in the vertically related upstream market. We find that multiple equilibria may exist, including the Cournot‐type and Stackelberg‐type, with different degrees of privatization in the presence of upstream firms' efficiency gap. These equilibrium outcomes are also influenced by the intensity of downstream market competition. We further show the corresponding optimal degree of privatization in different phases of gradual privatization.
“…We find that multiple equilibria may exist, including the Cournot‐type and Stackelberg‐type. This is ipso facto consistent with Ono (1978), Robson (1990), and Matsumura (2003) when the marginal cost of the public firm is relatively high, even though in a vertically related market involving partial privatization of the upstream public firm.…”
Section: Introductionsupporting
confidence: 82%
“…When θ = 0 and c c > 2 meaning the public firm is purely state-owned and the marginal cost of the public firm is relatively high, the public leadership competition is an equilibrium. In some ways, this is coherent with Pal (1998) and Matsumura (2003) when the number of upstream private firms is less than two.…”
Section: Equilibria Of the Upstream Gamementioning
confidence: 75%
“…Proof See the appendix. □ Matsumura (2003) has shown that in a traditional downstream mixed duopoly model with multiperiod production and constant‐marginal cost, the public leadership is never optimal. They further state in a footnote that if each firm can only produce once, then both Stackelberg outcomes are sustainable as equilibria if the cost of the public firm is high relative to that of the private firm.…”
Section: Equilibria Of the Upstream Gamementioning
We investigate the upstream public firm's desirable option of production timing in the vertically related upstream market. We find that multiple equilibria may exist, including the Cournot‐type and Stackelberg‐type, with different degrees of privatization in the presence of upstream firms' efficiency gap. These equilibrium outcomes are also influenced by the intensity of downstream market competition. We further show the corresponding optimal degree of privatization in different phases of gradual privatization.
“…Thus, this merged firm m must consider both profit as well as social welfare. Let s ∈ [0, 1] denote the public sector's 5 There are studies on a mixed oligopoly with the constant marginal cost setting such as Mujumdar and Pal (1998), Pal (1998), Matsumura (2003) and Lu (2006).…”
Section: Modelmentioning
confidence: 99%
“…Then, following Matsumura (1998) and other studies related to partial privatization, 7 we assume that firm m maximizes…”
We study firms' adoption of flexible technologies in the context of a mixed versus a private duopoly with product differentiation. As opposed to a dedicated technology, a flexible technology allows a firm to become multiproduct or multimarket without bearing additional costs. We find that a configuration where both firms adopt flexible technologies is more likely to arise in equilibrium in the private duopoly. A similar result occurs when both firms use a dedicated technology in the case of almost independent or close substitute products. Privatization of the public firm is socially beneficial in limited circumstances.
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