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1. Which of the following is true?
A random walk for stock price changes is inconsistent with observed patterns in price changes.
If the stock market follows a random walk, price changes should be highly correlated.
If the stock market is weak form efficient, then stock prices follow a random walk.
All of these.
Both If the stock market follows a random walk, price changes should be highly correlated; and
If the stock market is weak form efficient, then stock prices follow a random walk.
2. You are planning a trip to Australia. Your hotel will cost you A$150 per night for five nights.
You expect to spend another A$2,000 for meals, tours, souvenirs, and so forth. How much will
this trip cost you in U.S. dollars given the following exchange rates?
$1,926
$2,007
$2,782
$2,856
$3,926
[(A$1505) + A$2,000]($1A$1.4278) = $1,926
3. A 12-year, 5% coupon bond pays interest annually. The bond has a face value of $1,000. What
is the change in the price of this bond if the market yield rises to 6% from the current yield of
4.5%?