liberalization and their privatization which can be complete or partial such that upstream production is still run by an SOE. We show … in most cases even if a holdup problem exists. For any vertically separated structure we find that privatization through … multi-product firms welfare dominates privatization through single-product firms. -- Privatization ; vertical integration …

-Saharan African countries. This paper simulates the impact of the introduction of competition on the telecom sector's prices and its …

We study the gains from trade in a model with oligopolistic competition, heterogeneous firms and innovation, and …-relevant feature of market power above and beyond markup dispersion. Trade liberalisation increases foreign competition and reduces the …

" theory (Drèze and Stern, 1990). By adopting this perspective, the change in consumers' welfare "with" and "without …

competition model with entry in which exchanges supply technological services, and have market power. We find that technological … services can be strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior …