Process / pipelineInequality measurement
Palma Ratio
The Palma ratio measures income inequality as the ratio of the income share held by the richest 10 percent of the population to the share held by the poorest 40 percent. It rests on the empirical regularity, documented by Gabriel Palma, that the middle deciles (5 through 9) capture a remarkably stable half of national income across countries, so that inequality is essentially a contest between the top and the bottom — the 'tails' of the distribution.
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出典
- Cobham, A., & Sumner, A. (2014). Is inequality all about the tails? The Palma measure of income inequality. Significance, 11(1), 10–13. DOI: 10.1111/j.1740-9713.2014.00718.x ↗
- Palma, J. G. (2011). Homogeneous middles vs. heterogeneous tails, and the end of the 'inverted-U': it's all about the share of the rich. Development and Change, 42(1), 87–153. DOI: 10.1111/j.1467-7660.2011.01694.x ↗
このページの引用方法
ScholarGate. (2026, June 22). Palma Ratio of Income Inequality. ScholarGate. https://scholargate.app/ja/sociology/palma-ratio
どの手法を選ぶ？
この手法を最も近い類縁の手法と並べ、両者を見比べてください — ライブラリは本を机の上に並べるだけ。選ぶのはあなたです。
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