If enough investors decide to purchase stocks, they are likely to drive up stock prices, thereby causing and expected returns to fall; risk premiums to fall expected returns to rise; risk premiums to fall expected returns to rise; risk premiums to rise expected returns to fall; risk premiums to rise

Adescription of at least one real life problem that has to be solved or decision that has to be made using good judgment, and obstacles encountered while making the decision(s) or solving the problem(s) (again, these can be real examples or imagined, but they should clearly illustrate your understanding of the obstacles described.) at least three key terms from the lesson used in your example(s):