How can i travel to usa for In order to avoid the double coincidence of wants, some commodities will come to be exchanged more often than others. Some commodities possess more of the characteristics that a superior money must have: portability, divisibility, scarcity, identity, etc. Those that possessed these qualities came more and more to be traded and used as a medium of exchange rather than as a commodity. Economist R.A. Radford (1945) discusses how cigarettes evolved as money, through a natural-selection process, in a prisoner-of-war camp. It is plausible, therefore, that money evolved through a similar process. How can i travel to usa 2016.