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 In the bar, Professor Franz is able to compare the price of a glass of Gewurztraminer and a glass of Riesling, because their prices are listed in U

Economics

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 In the bar, Professor Franz is able to compare the price of a glass of Gewurztraminer and a glass of Riesling, because their prices are listed in U.S. dollars. This example demonstrates the function of money as medium of exchange. unit of account. store of value. raising the utility.