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Joans Nursery specializes in custom-designed landscaping for residential areas. The estimated labor cost associated with a particular landscaping proposal is based on the number of plantings of trees, shrubs, and so on to be used for the project. For cost-estimating purposes, managers use two hours of labor time for the planting of a medium-sized tree. Actual times from a sample of 10 plantings during the past month follow (times in hours).1.7, 1.5, 2.6, 2.2, 2.4, 2.3, 2.6, 3.0, 1.4, 2.3With a .05 level of significance, test to see whether the mean tree-planting time differs from two hours.
a. State the null and alternative hypotheses.
b. Compute the sample mean.
c. Compute the sample standard deviation.
d. What is the p-value?
e. What is your conclusion?
Why might external economies of scale be of interest to developing countries?
Question 1: Consider a closed economy with no government sector in which consumption (C) is related to income (Y) by the equation: C = A + bY (a) What is the marginal pr
Q. Explain the classical motivation? The classical motivation: Consumers want to smooth their consumption over time. In good times, consumers know that it is a temporary stat
Classify each good as a final good or intermediate good. (briefly explain wach choice) 1. running shoes 2. cotton fibers 3. watches 4. textbooks 5. coal 6. sunscr
Assume that government purchases decrease by $10 billion, with other factors held constant, including the price level. Calculate the change in the level of real GDP demanded for ea
Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) provides a good barometer of the overall stock market. On January 31, 2006, 9 of the 30 stocks
One of the main tenets of economic analysis is that people act in their own narrow interests. Why, then, do people leave tips in restaurants? If a study were to compare the size of
Summary of the cross model The below list summarizes the cross model and associates it to classical model: Labor Market: Real wages W/P is exogenous in cross model
Explain why P=MC in the short-run equilibrium of the perfectly competitive firm, whereas in the long-run equilibrium P=MC=AC.
Suppose there are two investors. One has a project to build a factory; the other has a project to visit casino and gamble on roulette. Which investor has a greater incentive to iss
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