Compute the log returns for nikkei and find the statistics below.

a) find the mean annualized return.
b) find the annualized volatility (standard deviation for the whole sample).
c) find the skewness and kurtosis and explain if there is any asymmetry and fat tails?
d) formulate and test the efficient market hypothesis (emh) using the q test for returns for k=15 autocorrelations.
e) formulate and test the null hypothesis of no volatility clustering using the q test for squared returns for k=15 autocorrelations.

Which of the following is false regarding the links between jit and quality? a. jit increases the cost of obtaining good quality. b. as quality improves, fewer inventory buffers are needed; in turn, jit performs better. c. jit reduces the number of potential sources of error by shrinking queues and lead times. d. inventory hides bad quality; jit immediately exposes it. e. if consistent quality exists, jit allows firms to reduce all costs associated with inventory.

Suppose that real interest rates increase across europe. this development will u.s. net capital outflow at all u.s. real interest rates. this causes the loanable funds to because net capital outflow is a component of that curve.

Miami incorporated estimates that its retained earnings break point (bpre) is $21 million, and its wacc is 13.40 percent if common equity comes from retained earnings. however, if the company issues new stock to raise new common equity, it estimates that its wacc will rise to 13.88 percent. the company is considering the following investment projects: project size irr a $4 million 14.00% b 5 million 15.10 c 4 million 16.20 d 6 million 14.20 e 1 million 13.42 f 6 million 13.75 what is the firm's optimal capital budget?