Inflated art values

Name(s): 
Prohibitive cost of art
Over-valuation of art
Nature 
Huge amounts of disposable income in the USA, Europe and Japan have created a global art market where prices have reached obscene levels of tens of millions of dollars. New kind of buyers have appeared: speculators who buy, wait for prices to jump, then sell.
Aggravates 
Aggravated by 
Reduced by 
Type 
(F) Fuzzy exceptional problems