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The new management at a bakery claims that workers are now more productive than they were under old management, which is why wages have "generally increased. "Let Wib be Worker i's wage under the old management and let Wii be Worker i's wage after the change. The difference is Assume that the Di are a random sample from a Normal distribution. (i) Using the following data on 15 workers, construct an exact 95% confidence interval for _.
(ii) Formally state the null hypothesis that there has been no change in average wages. In particular, what is E(Di) under H0? If you are hired to examine the validity of the new management's claim, what is the relevant alternative hypothesis in terms of ?
(iii) Test the null hypothesis from part (ii) against the stated alternative at the 5% and 1% levels.
(iv) Obtain the p-value for the test in part (iii).
A U.S. firm is considering moving its production to Mexico. Its estimated production function is q = L 0.5 K 0.5 . The U.S. factor prices are w = r = 10. The Mexican factor prices are w* = 5, r* = 10. What is the optimal input bundle ( L,K..
When the colts won the super bowl the demand for peyton manning's jersey was: P = 210 - 0.002Q with a corresponding marginal revenue of: MR = 210 - 0.0004Q IF the marginal cost of producing a jersey is $10, how much are the trademark licensing rig..
Assume that workers, employers and investors all believed that inflation in the coming year would equal the annualized rate of inflation experienced in the past 6 months. Also assume that workers had been receiving nominal wage gains of 5% during ..
Your firm produces clay pots entirely by hand even though a pottery machine exists that can make clay pots faster than a human. Workers cost $80 per day and each additional worker can produce 20 more pots per day
Each year in the United States nearly 5 billion pounds of discarded carpet end up in land fills. In response to this situation, the carpet manufacturer has decided to start a take-back program whereby obsolete carpet is reclaimed at the end of its..
Consider the following information for a typical investment project with a service life of five years: n A B 0 -1,000 -1,000 1 200 -900 2 490 -500 3 550 0 4 -100 -100 5 200 90 What interest rate is used in the project-balance calculation
The daily wage (per worker) is $70, and the price of the firm's output is $32. The cost of other variable inputs is $2,000 per day. You are told that the firm's fixed cost is "high enough" so that the firm's total costs exceed its total revenue.
The given information is the quarterly sales of gasoline in the U.S. in millions of barrels during part of the 1980s and the 1990s. Determine the linear trend and use it to forecast sales for first quarter of 1992.
If your bank held 1 % of the units issued by a unit trust and the mortgages in the trust repaid $10,500,000 in interest and $1,500,000 in principal in its first year, how much principal and interest would your bank receive that year
Bruno's Lunch Counter is expanding and expects operating cash flows of $26,000 a year for 4 years as a result. This expansion requires $39,000 in new fixed assets. These assets will be worthless at the end of the project.
mac rowe doesnt sweat the petty stuff. in fact he just cannot detect small differences. he consumes two goods x and y.
Assume that when you graduate you will owe a total of $29,500 in student loans. Assume that the interest rate is 7.5%, compounded monthly, and that the entire amount must be repaid within 10 years. Determine what your minimum monthly payment will ..
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