If a firm hires 200 workers and produces 5,000 computers. If the firm hires one more worker, it produces 5,050 computers. If computers sell at a constant price of $100 and labor is hired at a constant wage rate of $4,000 per worker
A) the firm should hire and retain the additional worker.
B) the marginal factor cost of labor is $4,000.
C) the marginal revenue product of the added worker is $5,000.
D) all of the above.
Answer: D
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Income equality has
A) decreased in the United States as manufacturing has increased. B) narrowed within countries but increased across countries. C) increased within countries but has narrowed across countries. D) not changed in the advanced economies over the past 50 years. E) increased in developing economies as manufacturing has decreased.
Teddy buys only chocolate chip cookies and hot chocolate and spends all of his income on the two items. Suppose the price of a cookie rises. According to marginal utility theory, Teddy will buy
A) more cookies and less hot chocolate, which decreases his marginal utility from cookies and increases his marginal utility from hot chocolate. B) more cookies and less hot chocolate, which increases his marginal utility from cookies and decrease his marginal utility from hot chocolate. C) fewer cookies and more hot chocolate, which decreases his marginal utility from cookies and increases his marginal utility from hot chocolate. D) fewer cookies and more hot chocolate, which increases his marginal utility from cookies and decreases his marginal utility from hot chocolate.