If this economy devotes one-half of its available resources to the production of blankets and the other half to the production of pillows, it could produce a. we would have to know the details of this economy's technology in order to determine this. b. 180 pillows and 180 blankets. c. 120 pillows and 320 blankets. d. 240 pillows and 200 blankets.

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d