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...

This paper starts with a review of the marginal tax reform methodology that was first advanced by Ahmad and Stern (1984), as well as its second-order variant introduced by Urzúa (2005). After that, it reviews some aspects of the estimation of demand systems, a topic that, although well known to...

This paper starts with a description of the main features of the current Mexican tax system and of a (minor) tax reform that took place in 2010, when the government tried to correct for a drastic fall in its revenues because of the economic collapse in 2009. It then describes in a detailed way a...

This paper compares the evolution of income (GDP per capita) with utility derived welfare indices for two Mexican regions from 1992-2000. A methodology is proposed based on implicit true standard of living indices. Results show that welfare dynamics differed between regions and varied...