Buyers must always have money to exchange for the seller's real assets. The Equation of Exchange shows the relationship between money, its velocity, and the things that are being bought. Money improves upon the barter production economy. Money establishes a uniform set of prices . Prices are measured in absolute terms and people have only to compare the absolute prices to determine value.
Money is a generalized claim with fungible properties .
It separates the sale of an asset from the purchase of an asset and eliminates the double coincidence of wants. Anyone, including governments, can use anyone else's money balances to enter any market to buy any good or service. Money allows for increased specialization and division of labor . Any individual can go to work for any employer, receive an income in the form of money, and then spend that money in any market at any time. Money facilitates borrowing and lending .