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问题：急求一篇经济类英文文章翻译后能达到2023字就行（带上中文翻译）
答案：↓↓↓ 孙华的回答： 网友采纳 Macroeconomicsisasub-fieldofeconomicsthatexaminesthebehavioroftheeconomyasawhole,oncealloftheindividualeconomicdecisionsofcompaniesandindustrieshavebeensummed.Economy-widephenomenaconsideredbymacroeconomicsincludeGrossDomesticProduct(GDP)andhowitisaffectedbychangesinunemployment,nationalincome,rateofgrowth,andpricelevels. Incontrast,microeconomicsisthestudyoftheeconomicbehaviouranddecision-makingofindividualconsumers,firms,andindustries. Macroeconomicscanbeusedtoanalyzehowtoinfluencegovernmentpolicygoalssuchaseconomicgrowth,pricestability,fullemploymentandtheattainmentofasustainablebalanceofpayments. Macroeconomicsissometimesusedtorefertoageneralapproachtoeconomicreasoning,whichincludeslongtermstrategiesandrationalexpectationsinaggregatebehavior. Untilthe1930smosteconomicanalysisdidnotseparateoutindividualeconomicsbehaviorfromaggregatebehavior.WiththeGreatDepressionofthe1930s,sufferedthroughoutthedevelopedworldatthetime,andthedevelopmentoftheconceptofnationalincomeandproductstatistics,thefieldofmacroeconomicsbegantoexpand.ParticularlyinfluentialweretheideasofJohnMaynardKeynes,whoformulatedtheoriestotrytoexplaintheGreatDepression.Beforethattime,comprehensivenationalaccounts,asweknowthemtoday,didnotexist. Oneofthechallengesofeconomicshasbeenastruggletoreconcilemacroeconomicandmicroeconomicmodels.Startinginthe1950s,macroeconomistsdevelopedmicro-basedmodelsofmacroeconomicbehavior(suchastheconsumptionfunction).DutcheconomistJanTinbergendevelopedthefirstcomprehensivenationalmacroeconomicmodel,whichhefirstbuiltfortheNetherlandsandlaterappliedtotheUnitedStatesandtheUnitedKingdomafterWorldWarII.Thefirstglobalmacroeconomicmodel,WhartonEconometricForecastingAssociatesLINKproject,wasinitiatedbyLawrenceKleinandwasmentionedinhiscitationfortheNobelMemorialPrizeinEconomicsin1980. TheoristssuchasRobertLucasJrsuggested(inthe1970s)thatatleastsometraditionalKeynesian(afterBritisheconomistJohnMaynardKeynes)macroeconomicmodelswerequestionableastheywerenotderivedfromassumptionsaboutindividualbehavior,althoughitwasnotclearwhetherthefailureswereinmicroeconomicassumptionsorinmacroeconomicmodels.However,NewKeynesianmacroeconomicshasgenerallypresentedmicroeconomicmodelstoshoreuptheirmacroeconomictheorizing,andsomeKeynesianshavecontestedtheideathatmicroeconomicfoundationsareessential,ifthemodelisanalyticallyuseful.Ananalogymightbethatthefactthatquantumphisicsisnotfullyconsistentwithrelativitytheorydoesn´tmeanthatrealtivityisfalse.Manyimportantmicroeconomicassumptionshaveneverbeenproved,andsomehaveprovedwrong. Thevariousschoolsofthoughtarenotalwaysindirectcompetitionwithoneanother-eventhoughtheysometimesreachdifferingconclusions.Macroeconomicsisaneverevolvingareaofresearch.Thegoalofeconomicresearchisnottobe"right,"butrathertobeaccurate.Itislikelythatnoneofthecurrentschoolsofeconomicthoughtperfectlycapturetheworkingsoftheeconomy.Theydo,however,eachcontributeasmallpieceoftheoverallpuzzle.Asonelearnsmoreab | 
