If the price elasticity of demand for airline tickets is 3.0 for a vacation traveler and 0.4 for a business traveler, than a monopolist interested in price discrimination would charge: a less profitable price for the business traveler than for the vacation traveler. the same price for the vacation traveler and the business traveler. a lower price for the business traveler and a higher price for the vacation traveler. a higher price for the business traveler and a lower price for the vacation traveler.

The u.s. stock market has returned an average of about 9% per year since 1900. this return works out to a real return (i.e., adjusted for inflation) of approximately 6% per year. if you invest $100,000 and you earn 6% a year on it, how much real purchasing power will you have in 30 years?

1. all other things equal, according to the law of demand, when the price of a good falls, the demand for the good falls the demand for the good rises the quantity demanded of the good falls the quantity demanded of the good rises 2. when a market is in equilibrium, the quantity of the good that buyers are willing and able to buy exactly equals the quantity that sellers are willing and able to sell cannot be determined is less than the quantity that sellers are willing and able to sell is greater than the quantity that sellers are willing and able to sell 3. which of the following factors does not influence the demand for a good or service? consumer (buyer) income the price of related goods the number of sellers buyer expectations 4. when the number of sellers in a market increases, demand rises supply rises the price rises, all else equal the number of buyers falls

Kumar consulting operates several stock investment portfolios that are used by firms for investment of pension plan assets. last year, one portfolio had a realized return of 12.6 percent and a beta coefficient of 1.15. the average t-bond rate was 7 percent and the realized rate of return on the s& p 500 was 12 percent. what was the portfolio's alpha?