Economics Question: How does the concept of "velocity of money" relate to the quantity theory of money, and what factors can influence the velocity of money in an economy? A$)$ The velocity of money has no connection to the quantity theory of money. B$)$ The velocity of money represents the rate at which money changes hands in the economy and is a key factor in the quantity theory of money; factors like consumer confidence and banking practices can influence it$.$ C$)$ The velocity of money measures the total money supply in an economy and is unrelated to the quantity theory of money. D$)$ The velocity of money is determined solely by government policies.

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