Korean Journal of Organic Agriculture (한국유기농업학회지)

Korean Association of Organic Agriculture (한국유기농업학회)
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Inequality Analysis and Sub-group Decomposition of the World Maize Self-sufficiency Rates

세계 옥수수 자급률의 국가 간 불균등도 및 국가그룹별 비교분석

  • Received : 2016.01.21
  • Accepted : 2016.02.20
  • Published : 2016.02.29
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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.

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References

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