The long-run average cost curve is tangent to the minimum point of every short-run average total cost curve

How have financial innovations such as direct deposit of paychecks, electronic payment of bills, and automated teller machines (ATMs) affected the velocity of money and the demand for real money balances?

What will be an ideal response?

According to liquidity preference theory, the money-supply curve would shift rightward

a. if the money demand curve shifted right. b. if the Federal Reserve chose to increase the money supply. c. if the interest rate increased. d. All of the above are correct.