Final answer:
Open market operations increase the quantity of money and loans in an economy.
Step-by-step explanation:
Open market operations have an effect on the quantity of money and loans in an economy. When the central bank implements expansionary open market operations by buying government bonds, it increases the money supply in the economy. This increase in the money supply encourages banks to lend more, leading to an increase in the quantity of loans made and received. Therefore, the effect of open market operations on the quantity of money and loans in an economy is increase.