Bertoletti, Paolo; Epifani, Paolo - Dipartimento di Scienze Economiche e Aziendali, … - 2012
We investigate competitive, selection and reallocation effects in monopolistic competition trade models. We argue that … implausible assumptions about consumer behavior and inconsistent competitive effects. In the presence of trade costs, selection … associated to aggregate productivity gains only when preferences are CES. We also study competitive effects in alternative …