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http://dx.doi.org/10.11625/KJOA.2016.24.1.1

Inequality Analysis and Sub-group Decomposition of the World Maize Self-sufficiency Rates  

Kwon, Dae-Heum (조선대학교 경제학과)
Publication Information
Korean Journal of Organic Agriculture / v.24, no.1, 2016 , pp. 1-15 More about this Journal
Abstract
This paper aims to analyze inequality of maize self-sufficiency rate among countries in 1970-2011. Utilizing sub-group consistency of Generalized Entropy and Atkinson inequality index, the estimated maize self-sufficiency rate inequality is further decomposed into two steps' separate country groups. First, lower and upper income groups and then lower, lower middle, upper middle and high income groups are used based on the national classification of the world bank. It is inferred that 1980s' policy intervention and 1990s' Uruguay Round negotiations have different effect on the inequality among four different country groups.
Keywords
maize self-sufficiency rate; atkinson inequality index; generalized entropy inequality index; inequality decomposition;
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