In time series data, it is useful to think of a randomized controlled experiment
A) consisting of the same subject being given different treatments at different points in time
B) consisting of different subjects being given the same treatment at the same point in time
C) as being non-existent (this is a time series after all, and there are no real "parallel universes"
D) consisting of the at least two subjects being given different treatments at the same point in time
Answer: A
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Critics of the "limits to growth" thesis argue that:
A. clean air and water is a luxury good and the more economically developed a country becomes the easier it will be to keep the environment clean. B. economic growth will always take the form of more of what we have now, rather than newer, better, and cleaner goods and services. C. the market is not capable of adjusting to shortages of resources. D. government action spurred by political pressure is the best way to avoid the depletion of natural resources and pollution of the environment that results from economic growth.
Based on the information in the table, what quantity of reserves did the Federal Reserve inject into the economy in 1932? Currency held by public(in billions)Reserve-deposit ratioBank reserves (in billions)Money supply (in billions)December 1931$4.590.095$3.11$37.3December 1932$4.820.109$3.18$34.0
A. $0.16 billion B. $0.30 billion C. $0.07 billion D. $0.23 billion