that the monopoly platform does not introduce distortions over and above those arising from the market power of the …

typically noisy. Also, the market for information tends to be a monopoly, and there is typically inefficiency given by …

This paper develops a model in which market structure is determined endogenously by the choice of intermediation mode …. We consider two representative business modes of intermediation that are widely used in real-life markets: one is a … other. In our model, buyers and sellers can simultaneously search in an outside market and use the intermediation service …

-valorem taxes. We show that (i) a monopoly may have too high output compared to the social optimum; (ii) output may be reduced by …

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 …