This paper shows that the individual welfare losses due to the exercise of market power in the service sectors are greater in relative terms for the consumers with higher incomes. However, after adding to those results the ones obtained for the case of consumer goods sold in non-competitive...

In Del Río and Ruiz-Castillo (2000) a new concept of intermediate inequality between the absolute and relative concept was proposed, and empirical procedures for a welfare analysis à la Shorrocks (1983) were developed. The aim of this paper is to use this methodology to difine a new concept,...