The paper investigates both quantity and price oligopoly games in markets with a variable number of managerial and entrepreneurial firms which defines market structure. Following Vickers (Economic Journal, 1985) which establishes an equivalence between the equilibrium under unilateral delegation...

This paper reconsiders the literature on the irrelevance of privatization in mixed markets, addressing both quantity and price competition in a duopoly with differentiated products. By allowing for partially privatizing a state-controlled firm, we explore competition under different timings of...

In this study, using scanner data, collected from super-market transactions in 2009, we estimate an eight equations simultaneous model with a 3SLS routine, with the objective to empirically analyze the Grappa market structure. Results show that the supply side of the Grappa market is...

In this paper, we analyze a vertically differentiated mixed duopoly in medical care services. Pollution is the source of illness. The government has a dual role. It decides how much to invest to reduce the pollution level and it may participate in the health market running a public hospital. We...

The purpose of this paper is to analyze the role of the public firm in a spatial duopoly model a la Hotelling in the case of a low willingness to pay. We find that the presence of a public firm has the well known regulatory function in a market with a relative high willingness to pay; it is...