微观经济学-(英文版)名词解释(3页).doc

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1、-微观经济名词解释CHAPTER 1Scarcity：the limited nature of societys resources.Economics：the study of how society manages its scarce resources.Efficiency：the property of society getting the most it can from its scarce resources.Equity：the property of distributing economic prosperity fairly among the members of

2、 society.Opportunity cost：whatever must be given up to obtain some item.Rational people：people who systematically and purposefully do the best they can to achieve their objectives.Marginal changes：small incremental adjustments to a plan of action.Incentive：something that induces a person to act.Mark

3、et economy：an economy that allocates resources through the decentralized decisions of many firms and households as they interact in markets for goods and services.Property rights：the ability of an individual to own and exercise control over scarce resources.Market failure：a situation in which a mark

4、et left on its own fails to allocate resources efficiently.Externality：the impact of one persons actions on the well-being of a bystander.Market power：the ability of a single economic actor (or small group of actors) to have a substantial influence on market prices.Productivity：the quantity of goods

5、 and services produced from each hour of a workers time.Inflation：an increase in the overall level of prices in the economy.Business cycle：fluctuations in economic activity, such as employment and production.CHAPTER 2Circular-flow diagram：a visual model of the economy that shows how dollars flow thr

6、ough markets among households and firms.Production possibilities frontier：a graph that shows the combinations of output that the economy can possibly produce given the available factors of production and the available production technology.Microeconomics：the study of how households and firms make de

7、cisions and how they interact in markets.Macroeconomics：the study of economy-wide phenomena, including inflation, unemployment, and economic growth.Positive statements：claims that attempt to describe the world as it is.Normative statements：claims that attempt to prescribe how the world should be.Cha

8、pter 3 Absolute advantage：the ability to produce a good using fewer inputs than another producer Opportunity cost：whatever must be given up to obtain some itemComparative advantage：the ability to produce a good at a lower opportunity cost than another producerExports：goods produced domestically合乎国内的

9、and sold abroadImports：goods produced abroad and sold domesticallyCHAPTER 4Market：a group of buyers and sellers of a particular good or serviceCompetitive market：a market in which there are many buyers and many sellers so that each has a negligible impact on the market priceQuantity demanded：the amo

10、unt of a good that buyers are willing and able to purchase.Law of demand：the claim that, other things equal, the quantity demanded of a good falls when the price of the good rises.Demand schedule：a table that shows the relationship between the price of a good and the quantity demanded.Demand curve：a

11、 graph of the relationship between the price of a good and the quantity demanded.Normal good：a good for which, other things equal, an increase in income leads to an increase in demand.Inferior good：a good for which, other things equal, an increase in income leads to a decrease in demand.Substitutes：

12、two goods for which an increase in the price of one good leads to an increase in the demand for the other.Complements：two goods for which an increase in the price of one good leads to a decrease in the demand for the other.Quantity supplied：the amount of a good that sellers are willing and able to s

13、ell.Law of supply：the claim that, other things equal, the quantity supplied of a good rises when the price of the good rises.Supply schedule：a table that shows the relationship between the price of a good and the quantity supplied.Supply curve：a graph of the relationship between the price of a good

14、and the quantity supplied.Equilibrium：a situation in which the price has reached the level where quantity supplied equals quantity demanded.Equilibrium price：the price that balances quantity supplied and quantity demanded.Equilibrium quantity：the quantity supplied and the quantity demanded at the eq

15、uilibrium price.Surplus：a situation in which quantity supplied is greater than quantity demanded.Shortage：a situation in which quantity demanded is greater than quantity supplied.Law of supply and demand：the claim that the price of any good adjusts to bring the supply and demand for that good into b

16、alance.CHAPTER 5Elasticity：a measure of the responsiveness of quantity demanded or quantity supplied to one of its determinants.Price elasticity of demand：a measure of how much the quantity demanded of a good responds to a change in the price of that good, computed as the percentage change in quanti

17、ty demanded divided by the percentage change in price.Total revenue：the amount paid by buyers and received by sellers of a good, computed as the price of the good times the quantity sold. Income lasticity of demand： a measure of how much the quantity demanded of a good responds to a change in consum

18、ers income, computed as the percentage change in quantity demanded divided by the percentage change in income.Crossprice elasticity of demand： a measure of how much the quantity demanded of one good responds to a change in the price of another good, computed as the percentage change in the quantity

19、demanded of the first good divided by the percentage change in the price of the second good.Price elasticity of supply：a measure of how much the quantity supplied of a good responds to a change in the price of that good, computed as the percentage change in quantity supplied divided by the percentag

20、e change in price.CHAPTER 6Price ceiling：a legal maximum on the price at which a good can be sold.Price floor：a legal minimum on the price at which a good can be sold.Tax incidence：the manner in which the burden of a tax is shared among participants in a market.CHAPTER 7Welfare economics：the study o

21、f how the allocation of resources affects economic well-being.Willingness to pay：the maximum amount that a buyer will pay for a good.Consumer surplus：a buyers willingness to pay minus the amount the buyer actually pays.Cost：the value of everything a seller must give up to produce a good.Producer sur

22、plus：the amount a seller is paid for a good minus the sellers cost.Eficiency：the property of a resource allocation of maximizing the total surplus received by all members of society.Euity：fairness of the distribution of well-being among the members of society.CHAPTER 10Externality：the uncompensated

23、impact of one persons actions on the well-being of a bystander.Internalizing an externality：altering incentives so that people take account of the external effects of their actions.Coase theorem：the proposition that if private parties can bargain without cost over the allocation of resources, they c

24、an solve the problem of externalities on their own.Transaction costs：the costs that parties incur in the process of agreeing and following through on a bargain.Correct tax：a tax designed to induce decision makers to take account of the social costs that arise from a negative externality.CHAPTER 16Ol

25、igopoly：a market structure in which only a few sellers offer similar or identical products.Monopolistic competition：a market structure in which many firms sell products that are similar but not identical.Collusion：an agreement among firms in a market about quantities to produce or prices to charge.C

26、artel：a group of firms acting in unison.Nash equilibrium：a situation in which economic actors interacting with one another each choose their best strategy given the strategies that all the other actors have chosen.Game theory：the study of how people behave in strategic situations.Prisonersdilemma：a

27、particular game between two captured prisoners that illustrates why cooperation is difficult to maintain even when it is mutually beneficial.Dominant strategy：a strategy that is best for a player in a game regardless of the strategies chosen by the other players.CHAPTER 19Human capital：the accumulat

28、ion of investments in people, such as education and on-the-job trainingUnion：a worker association that bargains with employers over wages, benefits, and working conditions Strike：the organized withdrawal of labor from a firm by a unionEfficiency wages：above- equilibrium wages paid by firms to increase worker productivityDiscrimination：the offering of different opportunities to similar individuals who differ only by race, ethnic group, sex, age, or other personal characteristics-第 3 页-