Romain De Nijs

Extent Economics/Veltys Oïko (Paris)

Romain de Nijs is a partner at Extent Economics/Veltys Oïko and Associate Professor of Economics at Ecole Polytechnique and ENSAE. He has been working for ten years as a consultant for companies and their legal advisers in the fields of competition economics, intellectual property and the evaluation of economic damages. He has developed advanced skills in econometrics, surveys and geographic analysis. In 2020, he was appointed as an economic expert for the Paris Court of Appeal (“expert judiciaire”). His research focuses on the digital economy. He regularly publishes in international journals. Previously, Romain was Visiting Scholar at the Haas School of Business at Berkeley and Associate Professor at the Paris School of Economics. He graduated as an engineer from Ecole Polytechnique and completed a Ph.D. in economics from Ecole des Ponts.

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Extent Economics/Veltys Oïko (Paris)


1004 Review

Romain De Nijs Surveys in competition analyses


Surveys are increasingly used by competition authorities as objective and reliable pieces of evidence. This article discusses the principle and the main applications in competitive analyses of a particular type of survey called, "conjoint analysis". Conjoint analysis is a valuation technique of (...)

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