Based on the table below and the principle of diminishing returns to capital, then total packages wrapped when a fourth machine is installed must be less than ________ packages.Number of (Identical) MachinesTotal Packages Wrapped15,00029,000312,000
A. 15,000
B. 12,000
C. 4,000
D. 3,000
Answer: A
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In a perfectly competitive market, there are
A) many buyers and many sellers. B) many buyers, but there might be only one or two sellers. C) many sellers, but there might be only one or two buyers. D) one firm that sets the price for the others to follow.
An increase in the demand for LED light bulbs due to changes in consumer tastes, accompanied by an increase in the supply of LED light bulbs as a result of government subsidies, will result in
A) an increase in the equilibrium quantity of LED light bulbs; the equilibrium price may increase or decrease. B) an increase in the equilibrium price of LED light bulbs and no change in the equilibrium quantity. C) an increase in the equilibrium quantity of LED light bulbs and no change in the equilibrium price. D) an increase in the equilibrium price of LED light bulbs; the equilibrium quantity may increase or decrease.
The "middle-class" ideal that developed in the early 19th century included which of the following elements?
(a) Women were socially and legally equal to men and were encouraged to choose between working and staying in the home (avoiding wage-labor in the factories). (b) Men were to be the income earners providing for the family's material needs while women were to play a greater role regarding the family's spiritual needs. (c) Apprenticeships, rather than public schools, would better serve the need of preparing children for middle-class careers. (d) Poverty among the lower classes was due not to their moral failure but rather low wages, uncertain employment, and lack of economic opportunity.
The relationship between the number of hours a student studies for an exam and the exam grade is most likely graphed as
A) a line sloping down from upper right to lower left. B) a line sloping down from upper left to lower right. C) a line sloping up from lower left to upper right. D) a line sloping up from lower right to upper left.