Between 1860 and 1890, both daily wages and annual earnings
a. fell slightly.
b. stayed roughly the same.
c. increased by 10%.
d. increased by 50%.
d. increased by 50%.
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If producing just one more tube of toothpaste makes Crest's average total cost fall, the marginal cost of that tube of toothpaste is
a. less than one b. greater than the average total cost of the previous tubes c. greater than the average variable cost of the previous tubes d. less than the average total cost of the previous tubes e. less than the marginal cost of the previous tube
Mexico and the United States are trading partners. If Mexico experiences a recession, the _____
a. aggregate demand curve of the United States will shift rightward. b. aggregate demand curve of the United States will shift leftward. c. aggregate supply curve of the United States will shift rightward. d. aggregate supply curve of the United States will shift leftward.
The marginal cost of collecting information:
A. is independent of the amount of information that has already been acquired. B. is now zero because of the Internet. C. falls as more information is collected. D. rises as more information is collected.
What are the problems with experimentation?
What will be an ideal response?