Fight Finance

(a) 0.0005

(b) 0.0006

(c) 0.1603

(d) 0.1738

(e) 0.1909

(a) 166.79

(b) 149.98

(c) 144.21

(d) 138.67

(e) 128.21

(a) An increase in revenue (Rev).

(b) An increase in rent expense (a type of recurring fixed cost, FC).

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

(d) An increase in inventories (a current asset).

(e) An decrease in interest expense (IntExp).

(a) Green is a stock's continuously compounded rate of return, also called the log gross discrete return. ##r_\text{cc} = \ln(P_1/P_0)##

(b) Blue is a stock's future price, ##P_1##

(c) Blue is a stock's gross discrete return. ##\text{GDR} = P_1/P_0##

(d) Blue is a stock's effective rate of return. ##r_\text{eff} = (P_1-P_0)/P_0##

(e) Red is a stock's net discrete return. ##\text{NDR} = \text{GDR}-1##

(a) The geometric average of the gross discrete returns (GAGDR) equals 1 which is 100%.

(b) ##\text{GAGDR} = \exp \left( \text{AALGDR} \right)##. The GAGDR is equal to the natural exponent of the arithmetic average of the logarithms of the gross discrete returns (AALGDR).

(c) ##\text{GAGDR} = \left( P_T/P_0 \right)^{1/T}##. The GAGDR equals the ratio of the last and first prices raised to the power of the inverse of the number of time periods between them.

(d) ##\text{LGAGDR} = \text{AALGDR}##. This is always true, regardless of the distribution of the prices or returns and the number of return observations. The logarithm of the geometric average of the gross discrete returns (LGAGDR) is always equal to the arithmetic average of the logarithms of the gross discrete returns (AALGDR).

(e) ##\text{LAAGDR} = \text{AALGDR} + \text{SDLGDR}^2/2##. This is always true, regardless of the distribution of the prices or returns and the number of return observations. The logarithm of the arithmetic average of the gross discrete returns (LAAGDR) equals the arithmetic average of the logarithms of the gross discrete returns (AALGDR) plus half the variance of the LGDR's.

(a) ##P_0=\dfrac{C_\text{1,nominal}}{r_\text{nominal} - g_\text{nominal}}##

(b) ##P_0 =\dfrac{C_0 (1+g_\text{nominal} )^1}{r_\text{nominal} - g_\text{nominal}}##

(c) ##P_0=\dfrac{C_\text{1,real}}{r_\text{real} - g_\text{real}}##

(d) ##P_0=\dfrac{C_0 (1+r_\text{real})^1}{r_\text{real} - g_\text{real}}##

(e) ##P_0=\dfrac{C_0(1+r_\text{nominal} )^1}{r_\text{nominal} - g_\text{nominal}} - C_0##

(a) Yes, in 117 months, which is 9 years and 9 months.

(b) Yes, in 152 months, which is 12 years and 8 months.

(c) Yes, in 202 months, which is 16 years and 10 months.

(d) Yes, in 240 months, which is 20 years.

(e) No, it will take longer than 20 years to pay off the loan.

(a) The market portfolio M has systematic risk only. It’s a fully diversified portfolio comprised of all individual risky assets. The market portfolio is usually assumed to be the equity index, such as the ASX200 in Australia or the S&P500 in the US.

(b) The risk free security has no risk at all. Government bonds are usually assumed to be the risk-free security.

(c) Portfolio combinations of the market portfolio and risk free security will plot on the CML and will have systematic risk only. They will have no diversifiable risk.

(d) The portfolios on the CML with a return above ##r_f## have maximum return for any given level of risk.

(e) The individual assets and portfolios with returns less than the risk free rate are over-priced, have a negative Jensen’s alpha and should be sold.

(a) Alice has a net long position of 2 contracts.

(b) Bob has a net short position of 7 contracts.

(c) Chris has a net long position of 14 contracts.

(d) Delta has a net short position of 5 contracts

(e) Trading volume is 16 contracts and open interest is 16 contracts.

(a) Have Sharpe ratios equal to the market’s.

(b) Have Treynor ratios equal to the market's.

(c) Have Jensen’s alphas that are zero.

(d) Not necessarily be bought or sold since there's no gain either way.

(e) Plot on the Security Market Line (SML).