Chai, Andreas; Moneta, Alessio - Max-Planck-Institut für Ökonomik <Jena> / Abteilung … - 2008
This paper revisits Ernst Engel's (1857) original article in which he systematically in-vestigated the relationship between consumption expenditure and income. While he ismainly remembered today for the discovery of Engel's law, we highlight how Engel ad-dressed in a particular way the issue of...