There is a 20 percent probability the economy will boom, 70 percent probability it will be normal, and a 10 percent probability of a recession. stock a will return 18 percent in a boom, 11 percent in a normal economy, and lose 10 percent in a recession. stock b will return 9 percent in boom, 7 percent in a normal economy, and 4 percent in a recession. stock c will return 6 percent in a boom, 9 percent in a normal economy, and 13 percent in a recession. what is the expected return on a portfolio which is invested 20 percent in stock a, 50 percent in stock b, and 30 percent in stock c

Explain whether each of the following events increases, decreases, or has no effect on the unemployment rate and the labor-force participation rate.a. after a long search, jon finds a job.b. tyrion, a full-time college student, graduates and is immediately employed.c. after an unsuccessful job search, arya gives up looking and retires.d. daenerys quits her job to become a stay-at-home mom.e. sansa has a birthday, becomes an adult, but has no interest in working.f. jaime has a birthday, becomes an adult, and starts looking for a job.g. cersei dies while enjoying retirement.h. jorah dies working long hours at the office.

Your debit card is stolen, and you report it to your bank within two business days. how much money can you lose at most? a. $500 b. $25 c. $50 d. $150

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.