Monday, April 11, 2016

Income inequality- statistics often misleading

As I have written, statistics can often be misleading, and be used for what ever political agenda some one likes.

For example, a case can be made that one of the main causes of US income inequality is the great wealth so many American enjoy. In a sense we are "victims" of the  success of so many Americans. Because so many American are so prosperous the numbers can be misleading.

 Consider the following information I came across from a reliable source:

A Danish family can move from the bottom 10th percentile to the top 90th percentile with $45,000 of additional earnings; while an American family would need an additional $93,000 to move from the bottom to the top. As best as I can tell both countries have similar costs of living.

If so, who is better off; a Dane whose income has gone up $45,000, thus moving her into the top from the bottom percentile; or an American whose income went up twice as much as the Dane's ($90,000), but went up from the bottom to only the second highest percentile? Those who deprecate US economic mobility would say the Dane is better off. I don't think that Dane would agree; she'd rather have the increased income the American got, I assume.

From this example, it appears that the US has more income inequality than Denmark.  However, is that misleading since more  Americans seem to be doing better than the Danes,  even though Danes enjoy less inequality ?



However, as I've often said statistics can be misleading , so where did I go wrong here?

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