We introduce an analytical framework close to the canonical model of platfirm competition investigated by Rochet and Tirole (2006) to study pricing decisions in two-sided markets when two or more platfirms are needed simultaneously for the successful completion of a transaction. The model...

Economists most often analyse the effects of protectionist or antidumping policies in the context of tariffs or voluntary export restraints - the latter are very similar to quotas in fact. Antidumping policies in the European Union however make frequent use of price undertakings. Whereas the...