Suppose the demand for personal computers increased while the cost of producing them decreased, then the quantity traded of personal computers will increase but the price could rise or fall.

A. True
B. False

Consider the following two stocks, a and b. stock a has an expected return of 10%, 10% standard deviation, and a beta of 1.20. stock b has an expected return of 14%, 25% standard deviation, and a beta of 1.80. the expected market rate of return is 9% and the risk-free rate is 5%. security would be considered a good buy if we include the stock in a well diversified a portfolio because a. b, it offers better alpha b. a, it offers better alpha c. a, it offers better sharpe ratio d. b, it offers better sharpe ratio

The questions of economics address which of the following ? check all that apply

Simon, aged 10, is invited to a classmate's birthday party at an exclusive ski resort on march 15th. the day will include 4 hours of snowboarding, lunch and birthday cake. simon's mother checks a box on the invitation that says "yes, we will attend" and returns it to the classmate's address. unfortunately, they later don't attend the party when simon comes down with the flu. on march 17th, simon's mother receives an invoice in the mail from simon's classmate for $35 that says, "party no-show fee." can simon's classmate collect the fee?