What's wrong with a punitive super-tax rate on high-end capital gains, and closing tax loopholes to make offshoring and other avoidance scams - like leveraged buyouts - very much less profitable?
If Wolf and Friedman are for it, it's unlikely to be a good idea
Even broken clocks are right twice a day...
Great in principle, but not easy in practice.
The beauty about land value taxation is that land, unlike people, is not mobile. "Any economic unit can emit money. The serious problem is to get it accepted" Hyman Minsky