Put differently, money encourages differences in the economy, and the differences create the need for money.

Intricate and remote stages of production are now possible, and specialization can extend to every part of a production process as well as to the type of good produced. With the great variety in human skills and natural resources resulting in enormous advantages from the division of labor, the existence of money permits the splitting of production into minute branches, each man selling his product for money and using money to buy the products that he desires.”

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