This paper examines the efficient provision of goods in two-sided markets and characterizes optimal specific and ad-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...

Using an agency model of firm behavior, the paper analyzes whether the cost of investment should be tax exempt. The findings suggest that, when managers engage in wasteful capital expenditures, welfare may decline if the cost of investment is tax deductible, as commonly advocated. The extent to...

Two-sided platform firms serve distinct customer groups that are connected through interdependent demand, and include major businesses such as the media industry, banking, and the software industry. A well known textbook result in one-sided markets is that a government may increase a...