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Paper #1851

Títol:
Self-preferencing and foreclosure in digital markets: Theories of harm for abuse cases
Autor:
Massimo Motta
Data:
Desembre 2022
Resum:
Antitrust agencies all over the world have been investigating large digital platforms for practices which may constitute an abuse of dominance. Here I discuss practices (including "selfpreferencing" and denial or degradation of interoperability) which can be interpreted as foreclosure in vertically-related or complementary markets. I discuss in particular a few high-profile cases involving Amazon, Apple, Facebook and Google. I focus on possible theories of harm for such cases and show that both original simple models and well-established economic theories (adapted or interpreted) provide a rationale for anti-competitive foreclosure.
Paraules clau:
self-preferencing, abuse of dominance, monopolization, exclusionary practices, digital platforms, two-sided markets, vertical foreclosure
Codis JEL:
D40, K21,L10, L40
Àrea de Recerca:
Microeconomia

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