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1、-曼昆宏观经济学英文定义大全-第 8 页How people make decisions: 1. people face tradeoffs 2. The cost of something is what you give up to get it 3. Rational people think at the margin 4. People respond to incentivesHow people interact: 5.trade can make everyone better off 6. Markets are usually a good way to organize
2、 economic activity 7. Government can sometimes improve market outcomesHow the economy as 8. A countrys standard of living depends on its ability to produce A whole works: goods and services 9. Prices rise when the government prints too much money 10. Society faces a short-run tradeoff between inflat
3、ion and unemployment Key concepts:Ability-to-pay principle（税收的）能力支付原则: The idea that taxes should be levied on a person according to how well that person can shoulder the burdenAbsolute advantage绝对优势: The comparison among producers of a good according to their productivityAccounting profit会计利润: Tota
4、l revenue minus total explicit costAdverse selection逆向选择: The tendency for the mix of unobserved attributes to become undesirable from the standpoint of an uninformed partyAgent代理人: A person who is performing an act for another person, called the principalAggregate-demand curve: a curve that shows t
5、he quantity of goods and services that households, firms, and the government want to buy at each price levelAggregate risk: risk that affects all economic actors at onceAggregate-supply curve: a curve that shows the quantity of goods and services that firms choose to produce and sell at each price l
6、evelAppreciation: an increase in the value of a currency as measured by the amount of foreign currency it can buyArrows impossibility theorem阿罗不可能定理: A mathematical result showing that, under certain assumed conditions, there is no scheme for aggregating individual preferences into a valid set of so
7、cial preferencesAverage fixed cost平均固定成本: Fixed costs divided by the quantity of outputAverage revenue平均收益: Total revenue divided by the quantity soldAverage tax rate平均税率: Total taxes paid divided by total incomeAverage total cost平均总成本: Total cost divided by the quantity of outputAverage variable co
8、st平均可变成本: Variable costs divided by the quantity of outputAutomatic stabilizers: changes in fiscal policy that stimulate aggregate demand when the economy goes into a recession without policymakers having to take any deliberate actionBalance trade: a situation in which exports equal importsBenefits
9、principle受益原则: The idea that people should pay taxes based on the benefits they receive from government servicesBond: a certificate of indebtednessBudget constraint预算约束: The limit on the consumption bundles that a consumer can affordBudget deficit预算赤字: An excess of government spending over governmen
10、t receiptsBudget surplus预算盈余: An excess of government receipts over government spendingBusiness cycle经济周期: Fluctuations in economic activity, such as employment and productionCapital资产: The equipment and structures used to produce goods and servicesCapital flight: a large and sudden reduction in the
11、 demand for assets located in a countryCartel 卡特尔: A group of firms acting in unisonCatch-up effect: the property whereby countries that start off poor tend to grow more rapidly that countries that start off richCentral bank: an institution designed to oversee the banking system and regulate the qua
12、ntity of money in the economyCircular-flow diagram循环流向图: A visual model of the economy that shows how dollars flow through markets among households and firmsClosed economy: an economy that does not interact with other economies in the worldCollective bargaining: the process by which unions and firms
13、 agree on the terms of employmentCommodity money: money that takes the form of a commodity with intrinsic valueCoase theorem科斯定理: The proposition that if private parties can bargain without cost over the allocation of resources, they can solve the problem of externalities on their ownCollusion共谋: An
14、 agreement among firms in a market about quantities to produce or prices to chargeCommon resources共同资源: Goods that are rival but not excludableComparative advantage比较优势: The comparison among producers of a good according to their opportunity costCompensating differential补偿性工资差别: A difference in wage
15、s that arises to offset the nonmonetary characteristics of different jobsCompetitive market竞争性市场: A market with many buyers and sellers trading identical products so that each buyer and seller is a price takerComplements互补性商品: Two goods for which an increase in the price of one leads to a decrease i
16、n the demand for the otherCondorcet paradox: the failure of majority rule to produce transitive preferences for societyCompounding: the accumulation of a sum of money in, say, a bank account, where the interest earned remains in the account to earn additional interest in the futureConstant returns t
17、o scale规模报酬不变: The property whereby long-run average total cost stays the same as the quantity of outputConsumer price index (CPI): a measure of the overall cost of the goods and services bought by a typical consumerConsumer surplus消费者剩余: A buyers willingness to pay minus the amount the buyer actual
18、ly paysConsumption: spending by households on goods and services, with the exception of purchases of new housingCost成本: The value of everything a seller must give up producing a goodCost-benefit analysis成本收益分析: A study that compares the costs and benefits to society of providing a public goodCrowdin
19、g out: a decrease in investment that results from government borrowingCrowding-out effect: the offset in aggregate demand that results when expansionary fiscal policy raise the interest rate and thereby reduces investment spendingCross-price elasticity of demand需求的交叉价格弹性: A measure of how much the q
20、uantity demanded of one good responds to a change in the price of another good, computed as the percentage change in quantity demanded of the first good divided by the percentage change in the price of the second goodCurrency: the paper bills and coins in the hands of the publicCyclical unemployment
21、: the deviation of unemployment from a market distortion, such as a taxDeadweight loss无谓损失: The fall in total surplus that results from a market distortion, such as a taxDemand curve需求曲线: A graph of the relationship between the price of a good and the quantity demandedDemand deposits: balances in ba
22、nk accounts that depositors can access on demand by writing a checkDemand schedule需求表: A table that shows the relationship between the price of a good and the quantity demandedDepreciation: a decrease in the value of a currency as measured by the amount of foreigh currency it can buyDepression: a se
23、vere recessionDiminishing marginal product边际产品递减: The property whereby the marginal product of an input declines as the quantity of the input increasesDiscrimination歧视: The offering of different opportunities to similar individuals who differ only by race, ethnic group, sex, age, or other personal c
24、haracteristicsDiseconomies of scale规模不经济: The property whereby long-run average total cost rises as the quantity of output increasesDiscount rate: the interest rate on the loans that the Fed makes to banksDiscouraged workers: individuals who would like to work but have given up looking for jobDivers
25、ification: the reduction of risk achieved by replacing a single risk with a large number of smaller unrelated risksDominant strategy占优策略: A strategy that is best for a player in a game regardless of the strategies chosen by the other players Economic profit经济利润: Total revenue minus total cost, inclu
26、ding both explicit and implicit costsEconomics经济学: The study of how society manages its scarce resourcesEconomies of scale规模经济: The property whereby long-run average total cost falls as the quantity of output increasesEfficiency效率: The property of society getting the most it can from its scarce reso
27、urcesEfficiency wages效率工资: Above-equilibrium wages paid by firms in order to increase worker productivityEfficient scale: the quantity of output that minimizes average total costElasticity: a measure of the responsiveness of quantity demanded or quantity supplied to one of its determinantsEquilibriu
28、m: a situation in which the price has reached the level where quantity supplied equals quantity demandedEquilibrium price: the price that balances quantity supplied and quantity demandedEquilibrium quantity: the quantity supplied and the quantity demanded at the equilibrium priceEquity: the property
29、 of distributing economic prosperity fairly among the members of societyExcludability: the property of a good whereby a person can be prevented from using itExplicit costs: input costs that require an outlay of money by the firmExport: goods produced domestically and sold abroadExternality: the unco
30、mpensated impact of one persons actions on the wellbeing of a bystanderFactors of production: the inputs used to produce goods and servicesFederal reserve (Fed) : the central bank of the united statesFiat money: money without intrinsic value that is used as money because of government decreeFinance:
31、 the field that studies how people make decisions regarding the allocation of resources over time and the handling of riskFinancial intermediaries: financial institutions through which savers can indirectly provide funds to borrowersFinancial markets: financial institutions through which savers can
32、directly provide funds to borrowersFinancial system: the group of institutions in the economy that help to match one persons saving with another persons investmentFisher effect: the one-for-one adjustment of the nominal interest rate to the inflation rateFractional-reserve banking: a banking system
33、in which banks hold only a fraction of deposits as reservesFrictional unemployment: unemployment that results because it takes time for workers to search for the jobs that best suit their tastes and skillsFundamental analysis: the study of a companys accounting statements and future prospects to det
34、ermine its valueFuture value: the amount of money in the future that an amount of money today will yield, given prevailing interest ratesFixed costs: costs that do not vary with the quantity of output producedFree rider: a person who receives the benefit of a good but avoids paying for itGame theory
35、: the study of how people behave in strategic situationsGDP deflator: a measure of the price level calculated as the ratio of nominal GDP to real GDP times 100Government purchases: spending on goods and services by local, state, and federal governmentsGross domestic product GDP: the market value of
36、all final goods and services produced within a country in a given period of timeHorizontal equity: the idea that taxpayers with similar abilities to pay taxes should pay the same amountHuman capital: the accumulation of investment in people, such as education and on-the-job trainingIdiosyncratic ris
37、k: risk that affects only a single economic actorImplicit costs: input costs that do not require an outlay of money by the firmImport quota: a limit on the quantity of a good that can be produced abroad and sold domesticallyImports: goods produced abroad and sold domesticallyIncome effect: the chang
38、e in consumption that results when a price change moves the consumer to a higher or lower indifference curveIncome elasticity of demand: a measure of how much the quantity demanded of a good responds to a change in consumers income, computed as the percentage change in quantity demanded divided by t
39、he percentage change in incomeIndexation: the automatic correction of a dollar amount for the effects of inflation by law or contractIndifference curve: a curve that shows consumption bundles that give the consumer the same level of satisfactionInferior good: a good for which, other things equal, an
40、 increase in income leads to a decrease in demandInflation: an increase in the overall level of prices in the economyInflation rate: the percentage change in the price index from the preceding periodInflation tax: the revenue the government raises by creating moneyInformationally efficient: reflecti
41、ng all available information in a rational wayIn-kind transfers: transfers to the poor given in the form of goods and services rather than cashInternalizing an externality: altering incentives so that people take account of the external effects of their actionsInvestment: spending on capital equipme
42、nt, inventories, and structures, including household purchases of new housingJob search: the process by which workers find appropriate jobs given their tastes and skillslabor force: the total number of workers, including both the employed and the unemployedLabor-force participation rate: the percent
43、age of the adult population that is in the labor forceLaw of demand: the claim that, other things equal, the quantity demanded of a good falls when the price of the good risesLaw of supply: the claim that, other things equal, the quantity supplied of a good rises when the price of the good risesLaw
44、of supply and demand: the claim that the price of any good adjusts to bring the quantity supplied and the quantity demanded for that good into balanceLiberalism: the political philosophy according to which the government should choose policies deemed to be just, as evaluated by an impartial observe
45、behind a “veil of ignorance”Libertarianism: the political philosophy according to which the government should punish crimes and enforce voluntary agreements but not redistribute incomeLife cycle: the regular pattern of income variation over a persons lifeLiquidity: the ease with which an asset can b
46、e converted into the economys medium of exchangeLump-sum tax: a tax that is the same amount for every personMacroeconomics: the study of economy-wide phenomena, including inflation, unemployment, and economic growthMarginal changes: small incremental adjustments to a plan of actionMarginal cost: the
47、 increase in total cost that arises from an extra unit of productionMarginal product: the increase in output that arises from an additional unit of inputMarginal product of labor: the increase in the amount of output from an additional unit of laborMarginal rate of substitution: the rate at which a consumer is willing to trade one good for anotherMarginal revenue: the change in total revenue from an additional unit soldMarginal tax rate: the extra taxes paid on an additional dollar of incomeMarket: a group of buyers and sellers of a particular good or servicesMarket economy: an economy that