This paper aims to shed light on the economic tools, as well as the legal-economic reasoning, which are used by different European antitrust authorities to assess the allegedly anticompetitive practices of a platform operating in a two-sided market (2SM). First of all, we show that despite the...

This paper studies a liberalized postal market where entrants may offer end-to-end products or concentrate on one of the segments of the network. Absent effective bypass, entry does not appear to be a serious financial threat to the incumbent, even when the products are perfect substitutes. This...

Il y a vingt ans Apple entamait avec le retour de Steve Jobs sa seconde vie. Google et Amazon étaient des start-up et Facebook n'existait pas. Vingt ans après, les GAFA font partie des entreprises les plus puissantes au monde. N'avons-nous pas fait preuve de naïveté face à ces jeunes...

This paper studies the optimal price structure in the postal sector when worksharing is available (e.g., for collection, sorting and transportation) and when the operator faces a break-even constraint. Users differ in opportunity and cost to engage in worksharing. We determine the optimal...

This paper studies a liberalized postal market where entrants may offer end-to-end products or concentrate on one of the segments of the network. Absent effective bypass, entry does not appear to be a serious financial threat to the incumbent, even when the products are perfect substitutes. This...