The world on a billionaire's budget
- Written by Andrew D. Hwang, Associate Professor of Mathematics, College of the Holy Cross
The world’s wealthiest are prospering. As of February 2017, there were about 2,000 billionaires in the world. This micro-elite controls over US$7.6 trillion, an increase of 18 percent from 2016.
A billionaire’s spending power is difficult to grasp, both because most...