Social Indicators Research

, Volume 129, Issue 1, pp 95–112 | Cite as

Estimating the Elasticity of Growth in the US Using the Generalized Means of Income

  • T. M. Tonmoy Islam


Economic growth has been a key mantra to promote poverty reduction in developing countries. Studies have shown that a 1 % GDP growth can reduce absolute poverty (or increase the average income of the poorest quintile) by 1 % or more in developing countries. The literature calls this relationship between poverty reduction and growth as growth elasticity. However, there is very little research available studying the extent of growth elasticity in a developed economy. I fill this vacuum in literature by applying the method of generalized means of income outlined in Foster and Székely (Int Econ Rev 49(4):1143–1172, 2008) on micro-level data to estimate the elasticity of growth in the US. The generalized means of income of Foster and Székely (Int Econ Rev 49(4):1143–1172, 2008) satisfies all the axioms of a good income standard, which makes it a preferred method to measure the elasticity of growth. My analysis shows that most of the growth in the US is driven by the richer segment of the society. The ‘wealthier’ poor get some benefit from growth—a 1 % increase in per-capita state-level income leads to about 0.9 % increase in their income both in the short and long-run. However, this relationship diminishes when I calculate the growth elasticity of those in deeper poverty. Sector-wise decomposition of income shows that the ‘wealthier’ poor benefits from an increase in the size of the service sector, but those in deeper poverty do not see this benefit.


Elasticity of growth Generalized means of income US CPS 


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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  1. 1.Elon UniversityElonUSA

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