A concave log-like transformation allowing non-positive values

Martin Ravallion

Economics Letters, 2017, vol. 161, issue C, 130-132

Abstract: A hybrid of the hyperbolic sine and its inverse is proposed for applications that require a concave log-like transformation of non-positive data, such as in measuring income and wealth inequality.

Keywords: Negative income; Net wealth; Concavity; Hyperbolic sine (search for similar items in EconPapers)
JEL-codes: D31 I32 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (47)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolet:v:161:y:2017:i:c:p:130-132

DOI: 10.1016/j.econlet.2017.09.019

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