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global income

A rebuttal to the “elephant graph” discussion - or “elephants are tough animals...”

Christoph Lakner's picture

Recently, a discussion erupted over our paper and the so-called “elephant graph”. This graph (reproduced below) is the anonymous growth incidence curve, which shows how each percentile of the global income distribution has grown between 1988 and 2008. The discussion was sparked by a report by the Resolution Foundation’s Adam Corlett. Whether or not this was Corlett’s intention, some commentators have used his results to (erroneously) claim that our empirical results are not robust and/or that the policy implications  drawn from our research are unwarranted  – for example, see this Financial Times article.