The stability of consumption over the business cycle and the ability of changes in the real interest rate to redirect aggregate demand indicate that

C)

Explanation:

Based on the information provided within the question it can be said that all of this clearly indicates that a market economy has a self-correcting mechanism that will help guide it toward full employment. Which these factors support as it shows the market stabilizing itself and redirecting  aggregate demand towards a balanced economy.

answer; management is about coping complexity and leadership is about coping with change; i believe this is correct; ///good luck                                          

(b) management: leadership