Related to the Economics in Practice on page 196. The search engine business, which includes companies like Google and Bing, is subject to economies of scale. This means that as the use of a search engine such as Google ________, the long-run cost to provide additional searches on this engine will likely ________.
A. increases; rise
B. decreases; fall
C. increases; fall
D. increases or decreases; stay the same
Answer: C
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Refer to the figure below. In the matrix above: 
A. both Cory and Jess have the same dominant strategy. B. Jess has a dominant strategy, but Cory does not. C. neither Cory nor Jess has a dominant strategy. D. Cory has a dominant strategy, but Jess does not.
In 2010, the top 1 percent of all taxpayers in the United States paid what percent of the federal income tax?
A. 23.2 percent. B. 37.4 percent. C. 39.6 percent. D. 59.1 percent.
Refer to the information provided in Figure 26.7 below to answer the question(s) that follow.
Figure 26.7Refer to Figure 26.7. Which of the following statements characterizes an output level of $800 billion?
A. It can be achieved only if investment is independent of the interest rate. B. It is attainable in the short run but it is associated with increases in the price level. C. It is sustainable over the long run without inflation. D. It is achievable only in the long run.
Aggregate demand includes: a. the demand for intermediate goods and final goods
b. all monetary and nonmonetary transactions. c. the demand for investment, including stocks, bonds, and gold. d. the demand for final goods and services.