On the pro-competitive effects of passive partial backward ownership

Abstract

We consider a vertically related market in which an upstream monopolist supplier trades, via interim observable two-part tariff contracts, with two differentiated goods' downstream Cournot competitors. We show that passive partial backward ownership (PPBO) may be pro-competitive and welfare enhancing. PPBO exacerbates the upstream's commitment problem and yields lower wholesale prices, and higher industry output, consumers surplus, and welfare than in the absence of PPBO.Petrakis acknowledges financial support from “UC3M-Santander Chairs of Excellence

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