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...

This paper analyzes mergers of regions in a two-tier setting with both horizontal and vertical tax competition. The merger of regions induces three effects on regional and local tax policies, which are transmitted both horizontally and vertically: i) an alleviation of tax competition at the...