It has been established for a long time that there is significant dispersion in prices charged for seemingly homogeneous goods. This may happen in competitive markets because the world is not frictionless, and certainly in other markets where price discrimination is carried out by firms with olig...
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https://repositorio.cepal.org/handle/11362/37677
Alberro, José Luis
,
Higgins, Richard
,
Is price dispersion always an indication of price discrimination?
