Alonso Villar, OlgaUniversidad Carlos III de Madrid. Departamento de Economía2009-12-112009-12-111996-032340-5031https://hdl.handle.net/10016/6018In this paper we have developed a monopolistic competition model that explains the sizes and locations of cities as a consequence of centrifugal and centripetal forces. Our interest is to present a framework that allows us to study the principal causes that favor agglomeration and those which stop it in current societies, where farmers are not a large proportion of the total population and where international relationships substantially affect the inner structure of a country.application/pdfengAtribución-NoComercial-SinDerivadas 3.0 EspañaMonopolistic competitionCongestion costsLocationDiversity of goodsworking paperEconomíaopen access