Editing Kuznets curve (section)

==Kuznets ratio and Kuznets curve==
The '''Kuznets ratio''' is a measurement of the ratio of income going to the highest-earning households (usually defined by the upper 20%) to income going to the lowest-earning households,<ref name="Kuznets, Simon 1955">Kuznets, Simon. 1955. Economic Growth and Income Inequality. ''American Economic Review'' 45 (March): 1–28.</ref> which is commonly measured by either the lowest 20% or lowest 40% of income. Comparing 20% to 20%, a completely even distribution is expressed as 1; 20% to 40% changes this value to 0.5.

Kuznets curve diagrams show an inverted U curve, although variables along the axes are often mixed and matched, with inequality or the [[Gini coefficient]] on the Y axis and economic development, time or per-capita incomes on the X axis.<ref>{{Cite journal |author=Vuong, Q.-H. |author2=Ho, M.-T. |author3=Nguyen, T. H.-K. |author4=Nguyen, M.-H.|date=2019|title=The trilemma of sustainable industrial growth: evidence from a piloting OECD's Green city|journal=Palgrave Communications|volume=5|pages=156|doi=10.1057/s41599-019-0369-8|doi-access=free}}</ref>