Volatility, Income Distribution, and Poverty

doi:10.1017/CBO9780511510755.006

3 - Volatility, Income Distribution, and Poverty

Published online by Cambridge University Press: 25 July 2009

Thomas Laursen and

Sandeep Mahajan

Edited by

Joshua Aizenman and

Brian Pinto

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Thomas Laursen: Affiliation:
Lead Economist Poverty Reduction and Economic Management Department, Europe and Central Asia Region, The World Bank
Sandeep Mahajan: Affiliation:
Senior Economist Poverty Reduction and Economic Management Department, South Asia Region, The World Bank
Joshua Aizenman: Affiliation:
University of California, Santa Cruz
Brian Pinto: Affiliation:
The World Bank

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Summary

ABSTRACT: This study examines the link between macroeconomic volatility and income distribution, including potential transmission channels. Few cross-country studies have directly examined this link: most have explored either the relation between growth and poverty or between growth and income distribution, and, in some cases, between volatility and growth. Analyzing the volatility–inequality link confronts the well-known challenge of linking the macro- and micro-sides of an economy; this study does not attempt to push the envelope in that direction. Rather, the study uses a cross-country regression framework and finds that output volatility has a negative impact on equality (the income share of the bottom quintile), although this finding is not entirely robust across country groups. The study also finds empirical support for some of the presumed main transmission channels, notably inflation, financial sector depth, and government social security expenditures. Accordingly, the main pro-poor policy responses to volatility or negative income shocks would be to contain inflation, develop financial markets, and ensure countercyclical social security spending. Developing labor markets and establishing well-targeted social safety nets are also key ongoing challenges in this regard, to reduce the vulnerability of low-income groups.

INTRODUCTION

Macroeconomic volatility can affect poverty through its impact on growth as well as its impact on income distribution. Conversely, changes in poverty may be decomposed into a growth effect and an income distribution effect. (See Box 3.1.) Both effects depend on the initial levels of development and income distribution.

Information

Type: Chapter
Information: Managing Economic Volatility and Crises
A Practitioner's Guide
, pp. 101 - 136

DOI: https://doi.org/10.1017/CBO9780511510755.006 [Opens in a new window]

Publisher: Cambridge University Press

Print publication year: 2005

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