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Problem 1: When asked to write a regression model, a few past students have written the model as follows:
Explain what is wrong with this formulation.
Problem 2: Consider the regression model: where E is the starting salary (in dollars) of a new employee of a firm and N is the number of years of college attended. There are 50 new employees.
a. What are the intuitive/economic interpretations of β0 and β1 ?
b. What are the properties of the least squares estimators (β0 and β1) ?
c. Suppose E is measured in hundreds of dollars. Describe the effect of this change in units on the estimated regression coefficients and their standard errors, t and F-statistics, p-values, and the value of R2.
A $50,000 corporate bond is due in 20 years with an interest of 10% per year. Payable quarterly is for sale for $50,000. If an investor purchases the bond and holds it to maturity, calculate rate of return (ROR).
The price that consumers are willing and able to pay for this outputis $40 per unit. If it priduces this output, the firms average total cost is $43 per unit, and its average fixed cost is $8 per unit.
What single sum of money at t=6 is equivalent to the following cash flow profile if i=10%? N cash flow 1 -400 2 100 3 100 4 100 5 0..
Jim and Matt allocate their consumption between two goods: hats and bats. The price of hats is $4 each and the price of bats is $8 each. For Jim, the marginal utility of the last hat consumed was 8 and the marginal utility of the last bat was 24.
a. Warner is selling in a perfectly competitive market at a price of $40. What is the profit maximizing or loss-minimizing output b. Calculate the firm's profit or loss. Show computation. c. Should the firm continue to produce in the short run
assume that the FFS price was $100 per visit and the average patient made eight visits per year. A competing managed care organization came in and charged $80 per visit, providing seven visits per year. Calculate the change in total expenditures.
Three students have each saved $1000. Each has an investment opportunity in which he or she can invest up to $2000. The rates of return on the students' investment projects are: Harry: 5% Ron: 8% Hermione: 20%.) If borrowing and lending is prohibit..
At a particular academically challenging high school, the average GPA of a high school senior is known to be normally distributed with a variance of 0.25. A sample of 20 seniors is taken and their average GPA is found to be 2.71
Compute the discount factor 1/(1+r)^t for r=1, 5, or 10 perent interest rates and t=30 and 50 years. remember that 1 percent is .01. based on your computation, is teh choice of discount factor important for deciding whether to do somehtinga bout..
During the 1980s, the U.S. Congress imposed a high sales tax on yachts, figuring that the rich could afford to pay for this luxury. But so many jobs were lost in the boat-building industry that the measure was finally repealed.
Consider a linear city Hotelling model. There are two firms, A and B, located at the (30) ends of the product space. The length of the product space is 3 and transportation costs are 1 times the distance traveled.
Year nominal gdp gdp deflator ( base year 1996) 2000 9873 118 1999 9269 113 a.what was the growth rate of nominal gdp between 1999 and 2000 b.what was the growth rate of the gdp deflator between 1999 and 2000
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