Fight Finance

(a) The risk free rate has zero systematic risk and zero idiosyncratic risk.

(b) The market portfolio has zero idiosyncratic risk.

(c) The market portfolio has zero systematic risk.

(d) a and b are true.

(e) a and c are true.

(a) If stock A's return increases, stock B's return is also expected to increase.

(b) If stock A's return decreases, stock B's return is also expected to decrease.

(c) If stock A and B were combined in a portfolio, there would be no diversification at all since they are positively correlated.

(d) Stock A and B's returns have positive covariance.

(e) a and b.

(a) 17.3492

(b) 17.2308

(c) 14.8418

(d) 13.7908

(e) 13.7692

(a) An increase in revenue (Rev).

(b) An increase in rent expense (part of fixed costs, FC).

(c) An increase in depreciation expense (Depr).

(d) An decrease in net working capital (ΔNWC).

(e) An increase in dividends.

(a) 45.1%

(b) 30.95%

(c) 13.96%

(d) 5.33%

(e) 2.41%

(a) -$21.4286

(b) -$7.563

(c) $15

(d) $21.4286

(e) $78.5714

(a) Percentage points per annum ##(\text{pp pa})## and percentage points per annum ##(\text{pp pa})##.

(b) Percentage points per annum ##(\text{pp pa})## and percentage points per annum all squared ##\left( (\text{pp pa})^2 \right)##.

(c) Percentage points per annum all squared ##\left( (\text{pp pa})^2 \right)## and percentage points per annum ##(\text{pp pa})##.

(d) Percentage points per annum all squared ##\left( (\text{pp pa})^2 \right)## and percentage points per annum all squared ##\left( (\text{pp pa})^2 \right)##.

(e) Percent per annum ##(\% pa)## and percent per annum ##(\% pa)##.

(a) -76.92%,   333.33%

(b) -70%,   333.33%

(c) -70%, 233.33%

(d) -57.14%,   233.33%

(e) 233.33%,   -70%

(a) Prefer more to less, meaning that they will always like to have more wealth.

(b) Be risk averse, meaning that they dislike risk as measured by the standard deviation of wealth.

(c) Have a positively sloped utility function, so the gradient or first derivative of the utility function is always positive.

(d) Have a utility function that increases at a diminishing rate. So the shape is concave down like a frown, or the second derivative is always negative.

(e) Have a utility function that rises until it reaches the satiation point, then it falls because too much wealth causes problems.

(a) Floated the USD.

(b) Cancelled the international convertibility of the USD into gold.

(c) Cancelled the international convertibility of the USD into other currencies such as the GBP.

(d) Revalued the USD higher (an appreciation of the USD) against gold and other foreign currencies.

(e) Banned imports into the US.