TY - BOOK AU - Schumpeter,Joseph A. ED - Centro Interamericano de Estudios de Seguridad Social "Jesús Reyes Heroles". México TI - The rise and fall of whole classes U1 - 368.407 21 PY - 1968///] CY - [New York] PB - [Macmillan] KW - Clases sociales N1 - Material complementario para el "Seminario sobre grupos de presión y la seguridad social en América Latina", coordinado por Carmelo Mesa-Lago y organizado por el CIESS, llevado a cabo en México, D.F. en julio de 1975. Extraído de: Heller, Celia Stopnicka ed. "Structured social inequality; a reader in comparative social stratification". New York : Macmillan, 1968, p. 39-50 N2 - "We observe [...] that the class structure of a people [...] changes by virtue of the fact that the relative social position of the classes as such undergoes shifts. A question now poses itself that is analogous to the question concerning the reason for shifts of individual families within the class. Why and how do classes change their relative position" ER -