Dynastic inequality, mobility and equality of opportunity

Ravi Kanbur and Joseph Stiglitz

The Journal of Economic Inequality, 2016, vol. 14, issue 4, No 6, 419-434

Abstract: Abstract One often heard counter to the concern about rising income and wealth inequality is that it is wrong to focus on inequality of outcomes in a “snapshot”. Intergenerational mobility and “equality of opportunity”, so the argument goes, is what matters for normative evaluation. In response to this counter, we ask what pattern of intergenerational mobility leads to lower inequality not between individuals but between the dynasties to which they belong? And how does this pattern in turn relate to commonly held views on what constitutes equality of opportunity? We revive and revisit here our earlier contributions which were in the form of working papers (Kanbur and Stiglitz 1982, 1986) in order to engage with the current debate. Focusing on bistochastic transition matrices in order to hold constant the steady state snapshot income distribution, we develop an explicit partial ordering which ranks matrices on the criterion of inequality between infinitely lived dynasties. A general interpretation of our result is that when comparing two transition matrices, if one matrix is “further away” from the identity matrix then it will lead to lower dynastic inequality. More specifically, the result presents a computational procedure to check if one matrix dominates another on dynastic inequality. We can also assess “equality of opportunity”, defined as identical prospects irrespective of starting position. We find that this is not necessarily the mobility pattern which minimizes dynastic inequality.

Keywords: Dynastic inequality; Mobility; Equality of opportunity (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (18)

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Related works:
Journal Article: Dynastic inequality, mobility and equality of opportunity (2016)
Working Paper: DYNASTIC INEQUALITY, MOBILITY AND EQUALITY OF OPPORTUNITY (2015)
Working Paper: Dynastic Inequality, Mobility and Equality of Opportunity (2015)
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DOI: 10.1007/s10888-016-9328-4

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