There are strong methodological problems with making such estimates. The easiest way to go about it—send out questionnaires and tally up those returned—does not produce good numbers. Besides, wealthx is a business. I am not sure what their incentives are but I am sure they have some.
I would like to see how they define their labels and how do they arrive at their numbers before I would be willing to believe them.
Why so skeptical?
There are strong methodological problems with making such estimates. The easiest way to go about it—send out questionnaires and tally up those returned—does not produce good numbers. Besides, wealthx is a business. I am not sure what their incentives are but I am sure they have some.
Ah, gotcha, thanks!