Business Insider -
28 Jan 2018 18:00

Ben Pruchnie/Getty Images It's difficult to understand exactly what a billionaire's spending power looks like in real-life terms. If you scale a billionaire's income down to median American income of $50,000 per year, you see that $4,000 is about equivalent to $1. On this scale, a year of tuition at a top university costs about $15, and a mansion in California costs about a week's pay. The world's wealthiest are prospering. As of February 2017, there were about 2,000 billionaires in the world. T...
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