[eng] On a paradoxical consequence of the giffen's paradox. An application to the Irish potato. . Dwyer and Lindsay, then Kohli, argued recently that the upward sloping demand curve for a Giffen's good was inconsistent with the priee increase of the various foods during the 1845-1849 Irish...

[eng] This paper shows that the changes of relative commodity and factor prices in the agrarian European economies were not consistent with the results of the neo classical general equilibrium model. This model can produce the real changes of relative prices only if two additionnai hypothesis...

[eng] The giffen effect ; an interpretation. After having recalled the definition and thé conventional analysis of the Giffen effect, the author shows that this effect can be the result of the determination of the consumer s behavior owing to his budget restraint and a survival frontier,...

[fre] Cet article a pour objet de mettre en évidence la relation qui existe entre la norme d'efficacité intersectorielle et le surplus de productivité globale. Il est d'abord présenté une analyse graphique simple de la formation et de la distribution du surplus de productivité globale....

L’article présente la vie de Louis Amable Petit avant d’analyser son livre principal publié en 1868. Néo-mercantiliste, Petit pose que la monnaie n’est pas qu’un instrument d’échange mais est avant tout un objet d’accumulation, pour elle-même et comme moyen d’accumulation des...

This text compares Roy?s theory of the scale of needs (1943) to Dupuit?s theory of dearth (1859). It sets first Roy?s modelling of the scale of needs, his criticism by Marschak (1943) and the analysis of dearth by Dupuit. It shows that the hypotheses raised by Roy are exactly those posed by...