The external marginal cost of producing coal is MCexternal = 8Q while the internal marginal cost is MC internal = 6Q. The inverse demand for coal is given by P = 180 ? 4Q. What is the socially efficient level of output?
A. 15
B. 20
C. 18
D. 10
Answer: D
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Assume that you assign the following subjective probabilities for your final grade in your econometrics course (the standard GPA scale of 4 = A to 0 = F applies): Grade Probability A 0.20 B 0.50 C 0.20 D 0.08 F 0.02 The expected value is:
A) 3.0 B) 3.5 C) 2.78 D) 3.25
At the utility maximization level, the marginal utility of a sandwich to a consumer is 60 utils, while the marginal utility of a burger is 30 utils. If the price of the sandwich is $20, the price of the burger is $15
a. True b. False Indicate whether the statement is true or false
Aggregate accounting enables us to measure and analyze how much a nation is producing and consuming.
Answer the following statement true (T) or false (F)
Using the interest rate as a measure of the opportunity cost of holding money, the demand for money curve
A. slopes downward with respect to the rate of interest. B. is vertical. C. is not affected by the price level. D. slopes upward with respect to the rate of interest.