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Income mobility means different things to different people. This article explains the six different mobility concepts used in the literature, reviews the various indices used in the mobility literature to measure these concepts, summarizes the difference the use of different mobility concepts and measures makes in practice, presents the axiomatic approach to income mobility, and discusses a number of other issues that arise in the mobility literature.


Suggested Citation

Fields, G. S. (2008). Income mobility [Electronic version]. Retrieved [insert date], from Cornell University, ILR School site:

Required Publisher Statement

© Palgrave Macmillan. Final version published as: Fields, G. S. (2008). Income mobility. In L. Blume & S. Durlauf (Eds.) The new Palgrave dictionary of economics. New York, NY: Palgrave Macmillan. Reprinted with permission. All rights reserved.