By introducing the government's preference for tax revenues into unionized mixed duopolies, this paper investigates how the preference can change the government's choice of tax regimes between ad valorem and specific taxes. Main results are as follows. Given that one of the tax regimes is...

By introducing the excess burden of taxation into unionized mixed and privatized oligopolies, we show that (i) if the government that maximizes social welfare values with a small weight of excess burden of taxation, privatization matters regardless of the number of firms; however, (ii) when the...

This study investigates social welfare and privatization depending on the government's preference for tax revenues and the timing of wage setting in either a unionized-mixed or a unionized-privatized duopolistic market. We show that bargaining over wages is always sequential regardless of who...