As a company adds the first four workers to its production process in the short run, its output rises from 0 to 12 to 25 to 35 to 43 . Addition of the fifth worker will most likely lead to an output rate
a. greater than 51.
b. equal to 51.
c. less than 51.
d. greater than 51 if the firm experiences diseconomies of scale.
e. none of the above.
C
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Oscar makes purchases of an existing product (X) such that the marginal utility of the last unit he consumes is 10 utils and the price is $5. He also tries a new product (Y) and the marginal utility of the last unit he consumes is 8 utils and the price is $1. The equal marginal principle suggests that Oscar should
A. increase his consumption of product Y and decrease his consumption of product X. B. increase his consumption of product X and increase his consumption of product Y. C. decrease his consumption of product Y and decrease his consumption of product X. D. increase his consumption of product X and decrease his consumption of product Y.
If 160 million people are employed, 15 million people are unemployed, and the population is 280 million people, the unemployment rate is
A) 57 percent. B) 62.5 percent. C) 8.6 percent. D) 9.4 percent. E) not possible to calculate without data on the labor force.
If the Fed buys government securities from the non-bank public, then
A) reserves at banks decrease. B) deposits at banks increase and banks' reserves increase. C) deposits at banks increase and banks' reserves decrease. D) loans at banks decrease. E) deposits at banks decrease and banks' reserves increase.
There are two universities, A and B, in a city. Tuition rises at University A and, as a result, the demand for attending University B rises. It follows that educational services at the two universities are
A) complements. B) normal goods. C) inferior goods. D) substitutes. E) none of the above