1. why is scarcity a significant problem? a. it leads to opportunity cost. b. it forces people to make choices. c. it determines the type of economic system used. 2. why do business owners have to answer the three economic questions? a. the answers are something banks want when they review a business plan. b. the answers determine the best way to use their resources c. the answers are required by federal law

Stock a has a beta of 1.2 and a standard deviation of 20%. stock b has a beta of 0.8 and a standard deviation of 25%. portfolio p has $200,000 consisting of $100,000 invested in stock a and $100,000 in stock b. which of the following statements is correct? (assume that the stocks are in equilibrium.) (a) stock b has a higher required rate of return than stock a. (b) portfolio p has a standard deviation of 22.5%. (c) portfolio p has a beta equal to 1.0. (d) more information is needed to determine the portfolio's beta. (e) stock a's returns are less highly correlated with the returns on most other stocks than are b's returns.

In june 2009, at the trough of the great recession, the bureau of labor statistics announced that of all adult americans, 140,196,000 were employed, 14,729,000 were unemployed and 80,729,000 were not in the labor force. use this information to calculate: a. the adult population b. the labor force c. the labor-force participation rate d. the unemployment rate

True or false payroll withholding includes income tax, social security tax, medicare tax as well as money you deduct for your retirement fund.