Please use the following statements to answer this question:I. The process of testing and revising theories is central to the development of economics as a science.II. Theory is imperfect and may not adequately describe economic behavior in some cases.
A. I and II are true.
B. I is true and II is false.
C. I is false and II is true.
D. I and II are false.
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The trade-offs facing consumers include:
A. how to allocate income across goods and serves.
B. how to allocate income between consumption and savings.
C. both A and B
D. none of the above
The trade-offs facing workers include all of the following EXCEPT:
A. decision to work or remain outside the workforce.
B. decision to work or seek additional education.
C. decision to work for a large corporation or a small firm.
D. decision to allocate their time between work and leisure.
E. All of the above are trade-offs facing workers.
Firms face trade-offs in production, including decisions related to:
A. which products to produce.
B. how much of a particular product to produce.
C. the best way to produce a given amount of output.
D. all of the above
威廉非常喜欢那女孩,所以他尽力讨好她,并且很有信心可以赢得她的心。(impress; optimistic)