Using some serious math, economist Kenneth Arrow demonstrated that ______.
A. the public sector should underwrite corporations’ losses
B. the use of elections does not ensure that the majority’s preference will be selected
C. the cost-effectiveness of alternative sources of energy depends on usage volume
D. outsourcing prisons to Mexico is more cost-effective than welfare
B. the use of elections does not ensure that the majority’s preference will be selected
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Political parties
A) provide some campaign funding for members. B) are ignored by most members of Congress. C) are rarely successful in getting their members within Congress to vote along party lines. D) are more unified in America than they are in other democracies E) replaced the prior role of caucuses within the Congress
In situations where experimental design cannot be used because of costs, time, ethical or other considerations, _______ may be a useful alternative
a. systematic evaluation b. quasi-experiment c. impressionistic evaluation d. before-and-after study