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【判断题】
1991年,国际药用辅料协会对药用辅料的定义是:药用辅料是在药物制剂中经过合理的安全评价的不包括药物活性或前药的组分。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】An economic profit of zero implies:
A.
normal profit.
B.
the firm is covering both explicit and implicit costs.
C.
the firm's revenues are sufficient to compensate the money and time that the owners put into the business.
D.
all of the above
【单选题】When marginal profit equals zero:
A.
the firm can increase profits by increasing output.
B.
the firm can increase profits by decreasing output.
C.
marginal revenue equals average revenue.
D.
profit is maximized.
【简答题】长期零经济利润条件(long-run zero-profit condition)
【单选题】In economic analysis, any amount of profit earned above zero is considered "above normal" because:
A.
normally firms are supposed to earn zero profit.
B.
this would indicate that the firm's revenue exceeded both its accounting and opportunity cost.
C.
this would indicate that the firm was at least earning a profit equal to its opportunity cost.
D.
this would indicate that the firm's revenue exceeded its accounting cost.
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