general expression of purchasing power, and comes to symbolize all other wealth, it often assumes undue and exaggerated importance in men's eyes. Money is but one of many forms of wealth. It constitutes but a small percentage of the total wealth of a country, and it is far from being the most indispensable to human welfare. Yet its importance, as a whole, in determining the form of industrial organization is enormous. In a society without money, industrial processes would be very different, and trade would be hampered in manifold ways.