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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 gained value in 2010?
b. What is the probability that a stock in the S&P 500 gained 10% or more in 2010?
Machine A costs $15,000, has $1,600 in annual operating costs, produces an annual benefit of $8,000, has a useful life of 7 years, and can be sold for salvage at the end of its useful life for $3,000. Machine B costs $25,00..
1. Demand : p=100-2q Total Costs: c(q)= 40+3q2 , Formulate the firms profit function for monopoly. Differentiate this profit function with respect to q and solve for the profit maximizing price. What quantity of output will be sold at this price
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..
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A firm is considering two alternatives that have no salvage value. A Initial Cost $10,700 Uniform Annual Benefits 2,100 Useful life, in years 8 B Initial Cost $5,500 Uniform Annual Benefits 1,800 Useful life, in years 4
A firm in a purely competitive industry is currently producing 1000 units per day at a total cost of $450. If the firm produced 800 units per day at a total cost would be $300 and if it produced 500 units per day, its total cost would be $275. Wha..
An individual has to choose between investment A and investment B. The individual estimates that the income an dprobability of the income from each investment are as given in the following table. Using Excel statistical tools, calculate the standar..
The company's income statement indicates current profits of $15,000, which have yet to be paid out as dividends. Assuming the company will remain a "going concern" indefinitely and that the interest rate will remain constant at 6 percent,
Consider the production function f(L;K) = L + K. a. Suppose K is fixed at 2. Find algebraic expressions for the total product of labor function TP(L), the average product of labor AP(L), and the marginal product of labor MP(L).
In the early 2000s car makers began to design vehicles' chassis, engine, and transmissions so that different models could be produced on the same assembly line. Within the first year of implementing the plan, Ford cut production costs by $240 per ..
Suppose that the demand for Federal funds curve is such that the quantity of funds demanded changes by $120 billion for each 1 percent change in the Federal funds interest rate. Also, assume that the current Federal funds rate is at the 3 percent ..
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