Monetary policy refers to the actions taken by the Treasury Department to set the level of the money supply

Which of these statements best describes a flow variable?

a. An economic variable that measures something at a particular point in time b. An economic variable whose value is determined by the market c. An economic variable that is measured per unit of time d. An economic variable whose value shows no change over time e. An economic variable that remains static when other related variables change

How does the demand curve perceived by a monopolist compare with the market demand curve?

A.One has a horizontal demand curve, the other is vertical. B.Both are horizontal C.One has a vertical demand curve, the other is downward sloping. D.They are essentially the same