Which of the following is NOT a component of value added of a firm?
A. expenditures on intermediate goods
B. profits
C. wages
D. interest
Answer: A
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If the price of sandals is fixed by law below the market-clearing price,
A) a surplus of sandals will result. B) sandal inventories at shoe stores will be smaller. C) sandal sellers will spend more on advertising. D) the quantity of sandals demanded will be greater than the quantity supplied. E) the quantity of sandals demanded will be less than the quantity supplied.
The demand for xenite ore is fixed over time and is given as:
q = 40 - P where q is the number to tons of ore produced and P is the price per ton of xenite ore. The marginal extraction cost is $15 per ton and is also constant over time. The total quantity of the resource currently known to exist is 53.29 tons. The interest rate is 10 percent. Using the Hotelling rule for an exhaustible resource, complete the following table. Time Period Price Marginal Cost q Cumulative Production Today 15 1 Year 15 2 Years 15 3 Years 15 4 Years 15 5 Years 15 6 Years 15 7 Years 40.00 15 0 53.29
Suppose that the conditional variance is var(ui|Xi) = ?h(Xi) where ? is a constant and h is a known function. The WLS estimator is
A) the same as the OLS estimator since the function is known B) can only be calculated if you have at least 100 observations C) the estimator obtained by first dividing the dependent variable and regressor by the square root of h and then regressing this modified dependent variable on the modified regressor using OLS D) the estimator obtained by first dividing the dependent variable and regressor by h and then regressing this modified dependent variable on the modified regressor using OLS
When two countries trade with one another, it is most likely because...
a. the wealthy people in each of the two countries are able to benefit, through trade, by taking When two countries trade with one another, it is most likely because advantage of other people who are poor. b. some people involved in the trade do not understand that one of the two countries will become worse-off because of the trade. c. the opportunity costs of producing various goods are identical for the two countries. d. the two countries wish to take advantage of the principle of comparative advantage.