Using a small country model with habit-forming consumers and costly investment, we analyze equilibrium dynamics of the economy and derive empirical and welfare implications. The model can mimic some stylized facts: (i) a temporary increase in fiscal spending always deteriorates the current...

We propose graphical methods to determine whether commodity-tax changes are "socially efficient", in the sense of improving social welfare or decreasing poverty for large classes of social welfare and poverty indices. We also derive estimators of critical poverty lines and economic efficiency...

This article provides a brief overview of the key issues in inequality measurement andhas been prepared for inclusion in the second edition of The New Palgrave.

We examine individuals' distributional orderings in a number of contexts. This is done by using a questionnaire-experiment that is presented to respondents in any one of seven "flavours" or interpretations of the basic distributional problem. The flavours include inequality, risk, social welfare...

The analysis of inequality is placed in the context of recent developments in economics and statistics. Prepated for Handbook of Income Distribution, edited by A B Atkinson and F Bourguignon.