The richer people, when they get another $100,000, or another million, or 10 million, don’t tend to spend it as much as the poorer people would if they got another $100 or $1,000 or $5,000.
Instability mostly comes from the interface between the fact that the banks (or shadow banks) can create credit, money, and purchasing power in infinite quantities
The probability that we face global warming caused by fossil fuels is now so overwhelming that it is legitimate to doubt the motives of those who deny it