If a coalition D is decisive over a pair of social outcomes (x,y) under a social choice process that satisfies Arrow's axioms, then another coalition C (that differs from D) cannot be decisive over a different pair (a,b) of social outcomes.
Answer the following statement true (T) or false (F)
True
Rationale: Any coalition that is decisive over a pair of outcomes is decisive over all pairs.
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Economics is a social science in the sense that it
A. rigorously examines human behavior. B. is not as scientific as physics. C. relies on historical data instead of mathematical data. D. relies on statistics instead of mathematics. E. All of these responses are correct.
When a firm produces more output using the same inputs or the same output using fewer inputs we say that the firm
A) experiences positive technological change. B) will hire more workers in order to produce more output. C) experiences an increase in demand. D) is operating in the short run.
Lucas argues that when policies change, expectations will change thereby
A) changing the relationships in econometric models. B) causing the government to abandon its discretionary stance. C) forcing the Fed to keep its deliberations secret. D) making it easier to predict the effects of policy changes.
American economic history actually is a study of
(a) stable population growth. (b) how colonial Americans worked side-by-side with the natives to produce stable economic growth and wealth for all individuals. (c) how a small, inconsequential economy grew into a giant economy through a series of successes and failures. (d) how people in other countries created problems for colonial Americans of the past as well as U.S. citizens of today.