An improvement in technology would result in
A) upward shifts of MC and reductions in output.
B) upward shifts of MC and increases in output.
C) downward shifts of MC and reductions in output.
D) downward shifts of MC and increases in output.
E) increased quality of the good, but little change in MC.
D
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Economic theory assumes people's actions generally follow
A) from comparisons of expected costs and benefits. B) no predictable pattern. C) considerations of material self-interest. D) the Golden Rule.
Suppose that a firm in an industry subject to diminishing returns to scale is initially in long run equilibrium. Which of the following will not be part of the industry adjustment process to a permanent increase in demand? a. Some firms will temporarily make economic profits
b. Some new firms will enter. c. The long run equilibrium price will be higher than the initial equilibrium price. d. All of the above will be consequences.
Which statement is true?
A. More than any other region in the nation, the South prospered the most in the years following the Civil War. B. The transcontinental railroads that were completed in the 1860s, 1870s, and 1880s, all bypassed the South. C. Before the Civil War most of the nation's large farms were located in the North. D. None of the choices are true.
Several firms are operating in a market where they take the other firms' response to their actions into account. This market is:
A. a monopolistically competitive market. B. an oligopolistic market. C. a competitive market. D. a monopoly.