Check out Islam's Zakat, which has been proven to work. It's not a wealth tax per se as proposed by some foolish and unrealistic policies, but cash sitting in t

Check out Islam's Zakat, which has been proven to work. It's not a wealth tax per se as proposed by some foolish and unrealistic policies, but cash sitting in the bank is taxed at 2.5% (if it is above a certain threshold), and its proceedings go to the needy and poor, among others.