[eng] This note aims at clarifying the debate on « abnormally low prices », where many arguments rely on predatory pricing behaviour. It thus offers a survey of : —predatory pricing theory, —detection problems (are they different from collusion or dominant position detection problems ?)...

[eng] This paper offers a critical review of the economic literature on vertical restraints. It first presents the main economic arguments that have been developed, and then confront their policy implications with the U.S. and European laws and policies. So doing emphasizes several weaknesses of...