This volume was prepared by Sebastian Benz while he was working at the Ifo Institute. It was completed in December 2013 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes five self-contained chapters. All chapters discuss different...

On the basis of a modification of K. Lancaster's characteristics approach and a special class of non-homothetic utility functions individual demand functions are derived. Individual demand is determined in a complex way by the income as well as the product qualities and the unit costs of the...