An investor is given the two investment alternatives (Assets A and B) with the following characteristics: Asset Expected Return Standard Deviation of Returns A 18.4 percent 16.5 percent B 10.8 percent 6.8 percent What is the standard deviation of a portfolio comprised of 60 percent of an investor's wealth invested in Asset A and 40 percent invested in Asset B if the correlation between the returns of A and Asset B are 0.70?

You are chairman of the board of a successful technology firm. there is a nominal federal corporate tax rate of 35 percent, yet the effective tax rate of the typical corporation is about 12.6%. your firm has been clever with use of transfer pricing and keeping money abroad and has barely paid any taxes over the last 5 years; during this same time period, profits were $28 billion. one member of the board feels that it is un-american to use various accounting strategies in order to avoid paying taxes. others feel that these are legal loopholes and corporations have a fiduciary responsibility to minimize taxes. one board member quoted what the ceo of exxon once said: “i’m not a u. s. company and i don’t make decisions based on what’s good for the u. s.” what are the alternatives? what are your recommendations? why do you recommend this course of action?

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?

Consider an economy where government expenditures are 10 and total tax revenues are 10. the supply of labor is fixed at 125 and the supply of capital is fixed at 8. the economy is described by the following equations. y k to the power of 1 divided by 3 end exponent l to the power of 2 divided by 3 end exponent c 2.5 + 0.75 ( y - t ) i 10 - 0.5 r the level of private savings is