This paper demonstrates that the property of 'replication invariance', generally considered to be an innocuous requirement for the extension of fixed-population poverty comparisons to variable-population contexts, is incompatible with other plausible variable- and fixed-population axioms. --...

This paper develops a new imputation methodology applied to missing incomes values in PNAD. PNAD is the main Brazilian household survey, but it has no imputation. The imputation process starts by fitting regression models applied to different income sources considering the complex sampling...

How unequal is the world today? Is global income inequality falling, as many economists claim, or is it rising, as one often hears? This paper reviews the arguments and evidence. A number of concerns about the underlying data are identified, with biases going in both directions. Conceptual...

Efforts to tackle discrimination in access to basic services have shown mixed results in different country settings. This study examines the positive and negative outcomes attributed to anti-discrimination measures adopted in different country contexts and analyses the factors contributing to...

This paper develops a normative approach to the measurement of ex-ante inequality of opportunity in a multidimensional setting - that is, when the individual outcome is represented by a multidimensional variable. We characterize three classes of social welfare functions, all endorsing ex-ante...

This paper investigates the levels and evolution of poverty in Malawi, Mozambique, Tanzania, and Zimbabwe using the decomposability properties of poverty measures based on a counting approach. We compare poverty measures such as the Alkire and Foster index with alternative poverty indices that...

The majority of the world's poor, by income poverty and multi-dimensional poverty, now live in countries officially classified by the World Bank as middle-income countries. Of course nothing happens when a country crosses a (somewhat) arbitrary threshold in per capita income but it does matter...

In order to understand whether a reduction in overall poverty has improved the situations of the poorest, it is crucial to distinguish them from the moderately poor population. In this paper, we explore the mechanisms to distinguish subsets of the poor in a multidimensional counting framework....

This paper investigates how two effects drive wedges between nominal and real inequality estimates. The effects are caused by (i) differences in the composition of consumption over the income distribution coupled with differential inflation of consumption items; and (ii) quantity discounting...

Since 1994, a great deal has been accomplished. We argue that poverty reduction was temporarily sidelined in the 2000s. A series of shocks, especially the fuel and food price crisis of 2008, combined with poor productivity growth in agriculture and a weather shock, undermined progress in...