Given the multiplicative decomposition of the Sen index into three commonly used poverty statistics – the poverty rate (poverty incidence), poverty gap ratio (poverty depth) and 1 plus the Gini index of poverty gap ratios of the poor (inequality of poverty) – the index becomes much easier to...

This paper uses the French family quotient reform of 1995 to analyze the impact of the individual income tax on marriage behavior. An important feature of this reform was the cancelation of fiscal subsidies aimed at cohabiting couples with children. Before 1995, the system of the family quotient...

Depuis la fin des années 60, le concept de croissance pro-pauvre suscite un intérêt grandissant de la part des acteurs de l’économie du développement. L’objectif de cet article est précisément de recenser l’ensemble des méthodes développées dans le but de mesurer la croissance...

This paper proposes graphical methods to determine whether commodity-tax changes are socially improving , in the sense of improving social welfare or decreasing poverty for large classes of social welfare and poverty indices. It also derives estimators of critical poverty lines and economic...

For any given order of stochastic dominance, standard concentration curves are decomposed into contribution curves corresponding to within-group inequalities, between-group inequalities, and transvariational inequalities. We prove, for all orders, that contribution curve dominance implies...

One of the major contract innovation in liability insurance during the liability crisis of the early 1980s was the introduction of claims-made and reported insurance contracts. Typical insurance contracts are based on loss occurrence (i.e., occurrence-based contracts), which means that a loss...

This paper investigates the impact of alternative monetary policy regimes on the creation of new varieties in open economies. Using a dynamic two-country model incorporating nominal rigidities, international trade and firm entries we compare an independent monetary policy regime to a monetary...

Gini and entropy are the most use measures to gauge income inequalities. We show that each measure yields different subgroup decomposition techniques into within-group inequalities and between-group inequalities. Then, we show that the Gini index has been decomposed into many ways to bring out a...

L’objet de cet article est de vérifier si les facteurs d’insécurité alimentaire qui exercent une influence clé en milieu urbain ont un impact tout aussi significatif en milieu rural au Sénégal. A cette fin, un modèle logit binomial appliqué aux données de l’enquête ménage du...

In this paper, we suggest a framework for the analysis of ethnic polarization. This framework allows for the measurement of ethnic or religious polarization. We apply our measure to Ivory Coast and find a surprising result as the ethnic polarization decreased in years preceding the conflict in...