Using a simple axiomatic structure we characterise two classes ofinequality indices - absolute and relative - that take into account "envy"in the income distribution. The concept of envy incorporated hereconcerns the distance of each person's income from his or herimmediately richer neighbour....

A substantial literature examines second-best environmental policy, focusing particularly on how the Pigouvian directive that marginal taxes should equal marginal external harms needs to be modified in light of the preexisting distortion due to labor income taxation. Additional literature is...

This paper documents the impact of Argentina's recent economic crises on different aspects of poverty, with a special focus on the economic collapse of 2002. We discuss the methodology of poverty measurement in Argentina and we use a simple rule to compensate for the lack of regional poverty...