The paper criticizes the translation of the so called GEKS (Gini - Eltetö - Köves - Szulc) method to make consistent (transitive, or "drift free") international comparisons of price indices (parities), into the intertemporal framework. It shows that transitivity appears to be "over-ambitious"...

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...