题目内容
（请给出正确答案）
[主观题]
If a competitive firm maximizes short-run profits by producing some quantity of output, which of the following must be true at that level of output？
A、p ＞ MC
B、MR ＞ MC
C、p ≥ AVC
D、All of the above
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更多“If a competitive firm maximize…”相关的问题
第1题
A firm operating in a perfectly competitive industry will continue to operate in the short run but earn losses if the market price is less than that firm’s average variable cost but greater than the firm’s average fixed cost.()
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第2题
In the long run, a firm in a perfectly competitive market will least likely :
A.Earn economic profit.
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B.Produce goods at lowest average cost.
C.Experience economies of scale.
第3题
A firm realizes that it is producing more than the profit maximizing level of output and makes a short-run decision to decrease its output. Which of the firm cost measures is least likely to decrease as a result?
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A)Average variable cost.
B)Average fixed cost.
C)Marginal cost.
第4题
If there is an increase in market demand in a perfectly competitive market, then in the short run prices will
A、rise.
B、remain unchanged at the minimum of average total cost.
C、fall.
D、remain unchanged at the minimum of marginal cost.
第5题
Over an extended period of time it is possible for potential firms to enter or for existing firms to leave a competitive industry. In the competitive world, shifts in the productive【1】of the economy from any one line of production to others would【2】in this way. The length of the time period【3】for entry and/or exit will vary, depending upon the【4】involved. Some, like hot dog stands, may be easily and quickly【5】. Others, like textile mills, will require a longer planning and construction period. Whatever the time【6】necessary for firms to enter or exit a given industry, we【7】that period as the long run for that industry. For different industries, the long run will encompass different time spans.
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The force that【8】the entry of new firms into an industry is profit【9】. When the firms in an industry are making profits, they provide the investors in those firms with higher-than-average returns on their investments. Higher-than-average returns seldom go【10】. In the long run they attract new investment and new firms. On the other hand, losses provide the【11】for firms in an industry to leave it. Losses mean that returns to investors in the industry are below the average received by investors economy-wide; however, they do not necessarily【12】that the net income of the firm is【13】. It may or it may not be. But investors will want to withdraw their investments from the loss-incurring industry and【14】in other industries where the returns will be greater.
Where profits exist, returns on investment are above average. Where losses occur, returns are below average. So investment is【15】being redirected from less valuable to more valuable uses.
(1)
A．capacity
B．capability
C．competence
D．ability
第6题
According to one survey of 12, 000 people, about 30 percent of those making New Year's resolutions say they don't even keep them into February. And only about 1 in 5 actually stays on track for six months or more, reports eDiets, com, a consumer diet and fitness Web site.
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But don't let those odds make you reach for the nearest bag of potato chips. Experts say you can keep those resolutions long term, even if you're struggling now.
"The motivation comes from within, and so when you find that you're declining in your healthy eating program, and then just ask yourself, 'Is this going to get me the results that I want?'" says Leslie Stewart, a registered dietitian and licensed nutritionist.
"And if you're doing something every day to eat healthy, then that's going to pay off in the long run."
Stewart advises to use what she calls the 90 -10 eating rule.
"If you're eating healthy 90 percent of the time, then 10 percent of the time, you can cut yourself some slack and eat pleasurably."
She says she believes that "healthy eating is evolution instead of resolution."
The same principle can be applied to a lagging exercise resolution, too.
Staying motivated is key to long-term success, and reviewing original goals can help strengthen a weakening workout program.
Adding variety to a fitness regime also can prevent you from hanging up those exercise shoes. After a few weeks of well-intentioned workouts, boredom may be creeping into your routine.
Setting goals too high is another common mistake, "If you're not running a marathon at the end of the month, don't worry," said Mayo Clinic experts. A too intense workout—and the resulting pain and stiffness—is discouraging and may force most to abandon a program. Starting slowly is key.
But if your goals already have fallen by the wayside, Uria says to start up again immediately.
"A little setback is OK; get back on the horse and ride... drive toward that goal," he says.
According to the author, only about 20% people keeping their resolutions does not necessarily mean that ______.
A．the figure is rather depressing and unexpected as well
B．those who have made their resolution should give up their effort
C．whoever keep their resolutions should start eating potato chips
D．long-term resolutions are not important for those facing troubles
第7题
According to one survey of 12, 000 people, about 30 percent of those making New Year's resolutions say they don't even keep them into February. And only about 1 in 5 actually stays on track for six months or more, reports eDiets, com, a consumer diet and fitness Web site.
点击查看答案
But don't let those odds make you reach for the nearest bag of potato chips. Experts say you can keep those resolutions long term, even if you're struggling now.
"The motivation comes from within, and so when you find that you're declining in your healthy eating program, and then just ask yourself, 'Is this going to get me the results that I want?'" says Leslie Stewart, a registered dietitian and licensed nutritionist.
"And if you're doing something every day to eat healthy, then that's going to pay off in the long run."
Stewart advises to use what she calls the 90 -10 eating rule.
"If you're eating healthy 90 percent of the time, then 10 percent of the time, you can cut yourself some slack and eat pleasurably."
She says she believes that "healthy eating is evolution instead of resolution."
The same principle can be applied to a lagging exercise resolution, too.
Staying motivated is key to long-term success, and reviewing original goals can help strengthen a weakening workout program.
Adding variety to a fitness regime also can prevent you from hanging up those exercise shoes. After a few weeks of well-intentioned workouts, boredom may be creeping into your routine.
Setting goals too high is another common mistake, "If you're not running a marathon at the end of the month, don't worry," said Mayo Clinic experts. A too intense workout—and the resulting pain and stiffness—is discouraging and may force most to abandon a program. Starting slowly is key.
But if your goals already have fallen by the wayside, Uria says to start up again immediately.
"A little setback is OK; get back on the horse and ride... drive toward that goal," he says.
According to the author, only about 20% people keeping their resolutions does not necessarily mean that ______.
A．the figure is rather depressing and unexpected as well
B．those who have made their resolution should give up their effort
C．whoever keep their resolutions should start eating potato chips
D．long-term resolutions are not important for those facing troubles
第8题
SURVEY ON NEW EMPLOYEES
ALEX: {A. Are you kidding?; B. Tell me, did anything else influence your decision?; C. Yes, there has been a lot of research into RSI’s.; D. that’s a benefit in the long run.; E. Welcome to the company.} We are conducting a survey of new employees to find out what made you to choose our company.
SIMON: That’s easy to answer. It was your office ergonomics that convinced me.
ALEX: {A. Are you kidding?; B. Tell me, did anything else influence your decision?; C. Yes, there has been a lot of research into RSI’s.; D. that’s a benefit in the long run.; E. Welcome to the company.} Something as simple as that?
SIMON: Yes. It is very important to me. My mother worked in offices for twenty years, and she finally suffered from carpal tunnel syndrome. I have been reading about repetitive stress injuries (RSI’s), and I know that the office set-up is very important.
ALEX: {A. Are you kidding?; B. Tell me, did anything else influence your decision?; C. Yes, there has been a lot of research into RSI’s.; D. that’s a benefit in the long run.; E. Welcome to the company.} Something so simple as proper chair height can prevent injuries.
SIMON: Your company pays attention to the staff’s health. In my opinion, {A. Are you kidding?; B. Tell me, did anything else influence your decision?; C. Yes, there has been a lot of research into RSI’s.; D. that’s a benefit in the long run.; E. Welcome to the company.}
ALEX: Thank you. We do value our staff and have an awareness of health care. {A. Are you kidding?; B. Tell me, did anything else influence your decision?; C. Yes, there has been a lot of research into RSI’s.; D. that’s a benefit in the long run.; E. Welcome to the company.}
SIMON: Yes, I noticed that you have professional training and team-building days. I like the idea of working for a company that invests in its staff.
ALEX: Well, welcome to the team.
第9题
Selection to participate in a top executive-education program is an important rung on the ladder to top corporate jobs. U.S. corporations (1)_____ billions of dollars in this form. of management development—and use it to (2)_____ and train fast-track managers. Yet one (3)_____ of executive education found that less than 5% of the managers (4)_____ to these high-profile programs are women—and minorities are terribly (5)_____ as well.
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The numbers are (6)_____. In regular business (7)_____ usually paid for by the participant, not an employer—there are plenty of women and minorities. Women, for example, (8)_____ for about 30% of MBA candidates. Yet in the (9)_____ programs paid for by corporations that round out a manager's credentials at a (10)_____ career point, usually at age 40 or 45, companies are making only a (11)_____ investment in developing female and minority executives. A case (12)_____ point: Only about 30% of the 180 executives in Stanford's recent (13)_____ management program were women.
Most companies say these days they are (14)_____ hiring and promoting women and minorities—and there are some (15)_____ trends in overall employment and pay levels so why are companies (16)_____ the ball when it (17)_____ executive education? The schools (18)_____ that they are neither the cause of nor the cure for the problem. A Harvard Business School dean figures that companies are (19)_____ of sending their female executives (20)_____ they don't want to lose them to competitors.
A．endow
B．venture
C．invest
D．donate
第10题
He does nothing that breaks the interests of the collective.
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A.runs for
B.runs against
C.runs over
D.runs into
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