Which of the following is NOT a significant cost that a barter system imposes on an economy?
A) Many prices must be maintained for each good.
B) Only agricultural goods may be traded.
C) Specialization of labor is hindered.
D) The costs arising from the problem of finding two people who each want what the other produces.
B
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Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________, 
A. Rising; B; C B. Falling; A; C C. Falling; A; B D. Rising; A; C
China's State Council has encouraged more spending to "improve transportation links and other infrastructure...." It will also "step up its spending on vocational training and other educational programs for adults." www.nytimes
com, Keith Bradsher, October 19, 2008 Suppose that capital goods are on the vertical axis while consumption goods are on the horizontal axis of China's PPF. As a result of enacting the policies, China's PPF will A) shift outward. B) shift inward. C) rotate outward. D) become flatter.
A firm's long-run average cost curve is increasing as output increases over all levels of output. As a result
A. small firms and large firms will have identical average costs. B. small firms would have higher average costs of production than large firms. C. there should be only one firm in the industry. D. there should be more than one firm in the industry.
Selection bias is unique to the field of economic research.
Answer the following statement true (T) or false (F)