The difference between accounting costs and economic costs
total revenue marginal revenue profit market share |
perfect competition monopolistic competition oligopoly monopoly |
positive economic profit zero economic profit negative economic profit negative accounting profit |
accountants include the opportunity costs of the owner’s capital used in the business and economists don’t economists include the opportunity costs of the owner’s capital used in the business and accountants don’t accountants include the implicit costs and economists don’t economists include debt and accountants don’t |
Allocative efficiency exists. Productive efficiency exists. Neither allocative nor productive efficiency exist Both allocative and productive efficiency exist. |
Economic profits. Many sellers. Ease of entry. Market knowledge. |
Total costs. Variable costs. Fixed costs Economic costs. |
AVC; ATC MC; ATC MC; AVC TC; TR |
Price discrimination. Dumping. Aggressive deadweighting X-inefficiency. |
Economies of scale. Actions by firms to bar competitors. Government All of the above. |
Producing quantity where MR=MC. Charging the highest possible price. Producing very little quantity. All of the above. |
Have some market power. Be able to separate customers according to price elasticities. Be able to prevent resale. All of the above. |
Pricing; social regulation Economic regulation; social regulation. Cost-benefit analysis; WTO review. Auditing; consulting. |
Gathering data. Gaining acceptance from industry leaders. Defining the market. Spelling the name correctly. |
FTC Justice Department Private plaintiffs President of the United States. |
Social policy Antitrust policy. WTO policy Sarbanes-Oxley policy. |
when governments levy taxes on business firms when markets produce an income distribution that is not equitable when perfectly competitive markets do not achieve economic efficiency whenever governments intervene in the decision-making processes of perfectly competitive markets |
someone outside a business makes decisions that affect the business an activity creates costs or benefits that are borne by parties not directly involved in the activity taxes affect the amount of a good produced private benefits equal social benefits |
Price rises and quantity demanded declines Price declines and quantity demanded increases. Both price and quantity demanded rise Both price and quantity demanded decline. |
Price to rise and equilibrium quantity to rise. Price to decline and equilibrium quantity to decline. Price to rise and equilibrium quantity to decline. Price to decline and equilibrium quantity to rise. |
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