-valorem taxes. We show that (i) a monopoly may have too high output compared to the social optimum; (ii) output may be reduced by … imposing negative value-added taxes (subsidy) or positive specific taxes …

brands. Under constant tax rates, a monopoly sells different brands to social classes of equal measure, while in contestable …, while a monopoly faces an adequate flat tax rate to all brands. In contrast with extant literature, subsidies may be …

We analyze the incidence and welfare effects of unit sales taxes in experimental monopoly and Bertrand markets. We find …, in line with economic theory, that firms with no market power are able to shift a high share of a tax burden on to … consumers, independent of whether buyers are automated or human players. In monopoly markets, a monopolist bears a large share …