We consider an upstream firm dealing with a downstream firm either via a two-part tariff or a linear tariff. The downstream firm faces demand uncertainty, it is risk-averse, and it must incur a fixed cost before demand realization. We show that when the fixed cost is relatively high, it is...

We study how the most-favored-nation (MFN) clause affects the tariffs of an importer, technology adoption by exporters, and global welfare. Our main contribution is to consider the disclosure effect of the MFN clause, that is, the fact that it makes tariffs not only uniform but also observable...

Europe has set itself the aim of reducing its dependency on Russian gas imports. This paper provides an economic analysis of a tariff on imports of natural gas into the EU which would help achieve this goal. The starting point is Gazprom’s monopoly on exports of gas from Russia and pricing...

We study how the most-favored-nation (MFN) clause affects the tariffs of an importer, the technology choices of exporters, and global welfare. Our key contribution is to consider that the MFN clause does not only impose nondiscriminatory tariffs but also makes tariffs observable to third...