On March 1, 2008, the S&P 500 index was at 757.13.

a) What is the S&P 500 index?

b) Where is the S&P 500 index today (any date in December 2018 is fine)?

c) If you had used $10,000 to purchase stocks that have changed in value by the same percentage as the S&P 500 index, how much would you have today? Please show your work.

d) What impact do you think, this change in the S&P 500 index since March 1, 2008 has had on the macroeconomy (hint: think wealth effect).