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...

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...