i3, une unité mixte de recherche CNRS (UMR 9217)

Institut Interdisciplinaire de l'Innovation

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Cerna Research seminar will welcome Claire Chambolle (INRAE, Crest)
01 Février 2023 • 16h-18h • Mines ParisTech • Salle Vendôme

We have the pleasure to announce Claire Chambolle (INRAE, Crest) as the next speaker in our CERNA Research Seminar. The seminar will take place on Wednesday 01/02/2023 at 16:00 in Salle Vendome.


Claire Chambolle (INRAE, Crest) will talk about:


Buyer Power and Product Selection in Interlocking Relationships

(with Clémence Christin and Hugo Molina)


We study a model of interlocking vertical relationships between manufacturers and retailers where the latter select which product(s) to distribute on the market. We highlight that the degree of substitution among retailers as well as their bargaining power vis-à-vis manufacturers play a critical role on retail assortments. When both are sufficiently weak, we show that at least one retailer has an incentive to restrict its assortment which decreases product variety and leads to higher prices for consumers. We also analyze the effect of downstream consolidation through buying groups and retail merger and derive policy implications.


Claire will be available for meetings so let me know if you want to have a slot. Such meetings are particularly important for PhD students. Even if our speakers are not always related to the exact field we are working in, these discussions are important to communicate research, discuss (early) results and methods, and establish networks; regardless if the ultimate goal is to work for research, policy, NGOs or companies.



Have a nice day and see you there!


Date :
01 février 2023
Heure :
16 h 00 min - 18 h 00 min
Catégories d’Évènement:


Mines ParisTech
60 Boulevard Saint-Michel
Paris, 75006 France
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