Unemployment caused by a business cycle recession is called cyclical unemployment

Which of the following statements is (are) correct? Regardless of whether the LM curve is vertical or upward sloping,

a. a money stock target is superior to an interest rate target when the uncertainty facing the policymaker concerns the IS schedule. b. an interest rate target is always superior to a money stock target when the uncertainty facing the policymaker concerns the IS schedule. c. both a money stock target or interest rate target provide the same results when the uncertainty facing the policymaker concerns the IS schedule. d. a money stock target is never superior to an interest rate target when the uncertainty facing the policymaker concerns the IS schedule.

If savings does not depend upon the interest rate, then

a. the IS curve is vertical. b. the IS curve is horizontal. c. the LM curve is horizontal. d. the IS curve is still downward sloping. e. none of the above.