If you go and stop people at a supermarket and ask them for their receipt and say, 'Hey how much did you just spend?' middle class shoppers have no idea. The poor know what they just spent.— Sendhil Mullainathan
If you go and stop people at a supermarket and ask them for their receipt and say, 'Hey how much did you just spend?' middle class shoppers have no idea. The poor know what they just spent.
