Inequality sustains itself by generating an ideology which favours the rich. This might sound like classic Marxism - which it is. But it is also orthodox social science, as a newpaper from the NBER shows (ungated pdf).
Jimmy Charitie, Raymond Fisman and Ilyana Kuziemko ran a simple experiment. They randomly gave $5 and $15 to two people and then asked others whether they wanted to redistribute the money between those two people. On average, subjects voted to close 94% of the $10 gap. However, when subjects were told that the two people already knew whether they were getting $5 or $15, they closed only 77% of the gap.
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