Amatiya Sen is the first Asian winner of the Nobel Prize in Economics.
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He attracted attention by creating the Sen Index, a poverty rate index.
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The higher the index, the more severe the poverty of the society.
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On the other hand, the lower the index, the lower the poverty state of the society.
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This figure is a reorganization of the existing poverty measures.
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The poverty rate is a very simple indicator.
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However, it does not show how poor the poor are and how the distribution is among them.
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It is the poverty gap that has emerged to solve this problem.
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However, this also has a limitation in that it cannot show the gap within the poor.
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Sen reconstructed the equation.
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It has the characteristics of a kind of comprehensive indicator by utilizing existing indicators.
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