I discuss the design and implementation of a SSNIP test in order toidentify the relevant market in a media market. I argue that in such atwo-sided market the traditional SSNIP test cannot be applied as it isusually conceived but rather should be modified in order to take intoaccount indirect...

ENGLISH ABSTRACT: Delineating the relevant product and geographic market is an important first step in competition inquiries,as it permits an assessment of market power and substitutability. Critics often argue that market definitionis arbitrary and increasingly unnecessary, as modern...