1. Lots of people out of work
2. An uptick in property crime
3. Banks start charging you interest to keep your money in savings.
4. People start taking their money out of banks and putting it in their mattresses
5. Unemployed crooks have a field day
That would be a very logical move if the Feds really enacted negative interest rates. But the Feds could also put in place some sort of rule saying you can only withdraw $100 a week, or something like that.
Just my uneducated guess. But there is one thing I know for certain. This sure isn't Ike's America anymore.
6. Pensioners relying on their savings are quickly forced onto Government handouts.