The article fails to provide a single example where those are the specific ratios (versus arbitrary curves), provides a number of counterexamples, then conclude

The article fails to provide a single example where those are the specific ratios (versus arbitrary curves), provides a number of counterexamples, then concludes "proven!" To wash off the stupid, I found myself re-reading this excellent primer by Ben Golub (Harvard Dept. of Economics): https://www.quora.com/In-what-conditions-would-you-expect-a-power-law-distribution-curve-to-emerge?shar=1 https://www.quora.com/In-what-conditions-would-you-expect-a-...