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http://www.economist.com/node/21621908/print
Provides some interesting insights into the bulk causes of global inequality over more than a century.
View attachment 59695
Hi RY,
Have you read Mandelbrot and his views on bell shapes and income distribution? From "(Mis)behaviour of markets".
He was building on the research of Pareto, who analyzed wealth distribution in various countries at various times. Part of his quote in the book:
"Society was not a "social pyramid" with the proportion of rich to poor sloping gently from one class to the next. Indeed, it was more of a "social error" - very fat at the bottom where the mass of men live, and very thin at the top where sit the wealthy elite. Nor was this by chance, the data did not remotely fit a bell curve, as one would expect if wealth were distributed randomly. It is a social law, he wrote: something "in the nature of man".
Mandelbrot then expands further on why bell curve should not be assumed in many situations where they are currently routinely used.