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Pré-Publication, Document De Travail Année : 2007

The structuring of markets for infomediation: horizontal versus vertical dynamics

Kevin Mellet

Résumé

Two factors play a decisive role in the structuring of Internet based markets for infomediation (informational intermediation) : network externalities and information processing. First, these are examined separately. The two-sided markets literature focuses on the impact of network externalities in a context of competition among 2-sided platforms. It explains the level of concentrationfragmentation of those markets, and explores its welfare implications. We shall call this model the "horizontal" model of structuring. Symetrically, a "vertical" process of division of labour among the infomediaries' value chain is observed. It results of the complexification of intermediation in a context of strong quality uncertainty and high codification investments. Intermediaries specialize and develop cooperative relationships with each others. Secondly, the paper examines the implications of the simultaneous co-existence of H and D dynamics on the structuring of the market for infomediation. This co-existence generates frictions. Two levels of frictions are distinguished : i) market governance (standards and certifications) ; ii) commercial interactions (the so-called 'coopetition'). Empirical illustrations are taken from the analysis of Internet based labour market intermediaries.
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hal-04139227 , version 1 (23-06-2023)

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  • HAL Id : hal-04139227 , version 1

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Kevin Mellet. The structuring of markets for infomediation: horizontal versus vertical dynamics. 2007. ⟨hal-04139227⟩
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