哈维财政学英文题库 CHA1(7)

A) True.B) False.C) Uncertain. Ans: a

25. Multiple regression analysis typically requires several computers. A) True.B) False.C) Uncertain. Ans: c

26. Econometrics is the statistical analysis of economic data. A) True.B) False.C) Uncertain. Ans: a

27. Theory is always necessary for empirical research. A) True.B) False.C) Uncertain. Ans: a

28. The demand for a good is not affected by the demand for a related good. A) True.B) False.C) Uncertain. Ans: c

29. Equilibrium in the market is where supply is equal to demand. A) True.B) False.C) Uncertain. Ans: a

30. A model is a simplified description of some aspect of the economy. A) True.B) False.C) Uncertain. Ans: a

31. Causation and Correlation are generally the same thing. A) True.B) False.C) Uncertain. Ans: b

32. An experimental study is one which individuals are randomly assigned to the treatment and control groups.

A) True.B) False.C) Uncertain. Ans: a Essay

33. “Since the social sciences are not like the natural sciences, experiments are a waste of time.” Comment on the above statement.

Ans: It is true that social sciences are not the same as natural sciences. Experiments have been used successfully to tell us more about the world we live in. There are limits that social scientists should be aware of, but to dismiss the use of experimental analysis entirely would be incorrect. 34. Discuss the concept in econometrics that states, “garbage in . . . garbage out.”

Ans: When the data used in an econometric analysis are not carefully screened for errors, there can be faulty and misleading results that occur. There has been some time expended to ensure that the data have been “cleaned” properly.

35. It is possible that two different economists can examine the same situation, such as school funding, and reach entirely different conclusions. Why is this so?

Ans: Reasoning resulting in differing results includes the time period under examination, the data sources and proxies used, the econometric tools employed, and many other reasons. This is not to say that because different researchers come to different conclusions the analysis is confused. It just means further investigation is needed.

36. It has been suggested in the text that raising taxes on beer will reduce teen fatalities. Comment on this.

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