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III encuesta de presupuestos familiares
(1979)
The estimation of price elasticities from crosssection data under additive preferences
Betancourt, Roger R., (1971)
Satiation levels and consumer demand : analysis of a Chilean family expenditures survey
Mujica, Rodrigo Ateaga, (1970)
An Analysis of the U.S. Distribution System
Betancourt, Roger, (1993)
Packaging as commodity bundling and inter-type competition in retailing
Betancourt, Roger R., (2000)
Betancourt, Roger R., (1993)