Financial transactions taxes are in force in all the major developed countries except the USA and Canada. Typically the tax is 0.25% or less, paid whenever stocks and shares or bonds, etc. change hands. The tax originally proposed by Tobin would be a new tax applicable to all international transactions in which currency is exchanged. A similar tax in North America could bring in billions of dollars, even if the tax were as low as 0.1%. In Good Taxes,...