Bundling by competitors and the sharing of profits
AbstractWe discuss the welfare effects of bundling two products offered by two symmetric firms. We first show that, in terms of welfare, a monopoly does better than a duopoly in which each firm sell its good and that a monopoly selling the bundle does better than if it sells the bundle and the two goods separately. We also show that the choice of the mechanism for sharing the profits, obtained from the sales of the bundle, might have dramatic positive or negative effects even when the various optional mechanisms yield equal splits. In particular, the use of the Shapley value yields the highest total and consumer surpluses and the lowest producer surplus, while the weighted Shapley value totally reverses the outcome and yields profits which are very close (over 99 pourcent) to the full monopoly profits. Hence, as in the case of bundling by a monopolist, when competitors bundle they assist each other in deterring entry. However, in addition when competitors bundle, they can implicitly cooperate via the setting of the profit sharing rule and increase their profits at the expense of customers. This issue calls for some further attention by regulators.
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Bibliographic InfoPaper provided by ULB -- Universite Libre de Bruxelles in its series ULB Institutional Repository with number 2013/7280.
Date of creation: 2007
Date of revision:
Publication status: Published in: Economics Bulletin (2007) v.12,p.1-9
Other versions of this item:
- Victor Ginsburgh & Israel Zang, 2007. "Bundling by Competitors and the Sharing of Profits," Economics Bulletin, AccessEcon, vol. 12(16), pages 1-9.
- GINSBURGH, Victor & ZANG, Israel, . "Bundling by competitors and the sharing of profits," CORE Discussion Papers RP -2026, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- GINSBURGH, Victor & ZANG, Israel, 2005. "Bundling by competitors and the sharing of profits," CORE Discussion Papers 2005007, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- L0 - Industrial Organization - - General
- L1 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance
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CORE Discussion Papers RP
-1615, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
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