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All the major stock market indexes posted gains in 2010. The mean one-year return for stocks in the S&P 500, a group of 500 very large companies, was 12.8%. The mean one-year return for the NASDAQ, a group of 3,200 small and medium-sized companies, was 16.9%. Historically, the one- year returns are approximately normally distributed, the stan- dard deviation in the S&P 500 is approximately 20%, and the standard deviation in the NASDAQ is approximately 30%.
a. What is the probability that a stock in the S&P 500 lost 20% or more in 2010?
b. What is the probability that a stock in the S&P 500 lost 40% or more in 2010?
In Smalltown, the price of Twinkies fell from $0.80 to $0.70. As a result the quantity demanded of HoHo's decreased from 120 to 100. What would be the appropriate elasticity to compute
Alex is the manager of a division of a paper firm that produces copier paper and sells it on the wholesale market. His firm's output represents about 1.5% of total copier paper sales. The wholesale price of copier paper is $3.95 per standard packa..
Consider 2 countries, Avataria and Twilightia, which can be described by the Solow model. Avataria has a capital-labor ratio that is initially twice as big as that of Twilightia, but neither country is yet in a steady state. Both countries have th..
When the price of a standard three bedroom house increases from $150,000 to $160,000 a building company increases its output from 20 houses per year to 21 houses per year. What does the increase in the quantity of housing reveal about the cost of ..
A local video store estimates their average customer's demand per year is Q = 7 -2P, and knows the marginal cost of each rental is $0.5. How much should the store charge for each rental if it engages in optimal two part pricing
Ajax, Inc. is a monopolist. The estimated demand function for its product is Qd = 120 - 0.8P + 12Y + 4A Where Qd denotes quantity demanded, P denotes price, Y denotes personal income (in thousands of dollars)
The following information shows labor productivity (output per day) in the countries of Alpha and Beta: Alpha 3 computers 15 shirts Beta 2 computers 6 shirts Answer these questions: (a) Which country has a comparative advantage in the production of c..
A project generates decreasing cash flows, $10,000 one year from now, decreases $1,000 every year and the project at the end of year 6 (6 years from now). At an annual interest rate of 12%.what type of Gradient is this
If twinkies cost $0.10 each and soda costs $0.25 per cup, how should paul spend the $1 his mother gives him to maximize his utility B) If the school tries to discourage Twinkie consumption by increasing the price to $0.40, by how much will Paul's ..
the equation of the supply curve is Ps=1+0.1*Qs and the equation for the demand curve is Pd=6-0.15*Qd. This results in an equilibrium price (Pe) of 3. This figure shows a regulated price (Pr) of 2, which results in the welfare loss triangle b + d,..
(2) What increase or decrease in the commercial banks' reserves took place in each transaction (3) Assuming a reserve ratio of 20 percent, what change in the money-creating potential of the commercial banking system occurred as a result of each tr..
cascade pharamacreuticals company developed the following regression model, using time-series data from the past 33 quaters, for for one of its nonprescription cold remedies: y=-1.04 + 0.24X1 - 0.27X2 Where Y = quarterly sales (in thousands pf cas..
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