Economics Chapter 7&8 and stock markets

1. What is the efficient markets hypothesis? What are the most important characteristics of market that are necessary for them to be efficient?

2. How do stock prices behave if stock markets are efficient and if investors do not care about risk?

3. Explain the major options available to a bank that is short of reserves.What determines which option a bank is likely to choose?

4. How can the Fed affect the amount of reserves that banks holds? What interest rates can it change to manipulate the quantity of reserves?