The ratio of the area between the perfect equality reference line and the Lorenz curve is the: (w) Gini index. (x) relative income (y) poverty line (z) marginal productivity standard.
![1082_Lorenz Curve Problem.png](https://secure.tutorsglobe.com/CMSImages/1082_Lorenz%20Curve%20Problem.png)
Please choose the right answer from above...I want your suggestion for the same.