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1、考研英语历年真题来源报刊阅读100篇 Text 1Decliningpopulations:Incredibleshrinkingcountries Duringthesecondhalfofthe20thcentury,theglobalpopulationexplosionwasthebigdemographicbogey.RobertMcNamara,presidentoftheWorldBankinthe1970s,comparedthethreatofunmanageablepopulationpressureswiththedangerofnuclearwar
2、.Nowthatworryhasevaporated,andthiscenturyisspookingitselfwiththeoppositefear:theonsetofdemographicdecline. TheshrinkageofRussiaandeasternEuropeisfamiliar,thoughnotperhapsthescaleofit:Russia'spopulationisexpectedtofallby22%between2005and2050,Ukraine'sbyastaggering43%.Nowthephenomenoniscree
3、pingintotherichworld:Japanhasstartedtoshrinkandothers,suchasItalyandGermany,willsoonfollow.EvenChina'spopulationwillbedecliningbytheearly2030s,accordingtotheUN,whichprojectsthatby2050populationswillbelowerthantheyaretodayin50countries. Demographicdeclineworriespeoplebecauseitisbelievedtog
4、ohandinhandwitheconomicdecline.Attheextremesitmaywellbetheresultofeconomicfactors:pessimismmaydepressthebirthrateandpushupratesofsuicideandalcoholism.But,inthemain,demographicdeclineistheconsequenceofthelowfertilitythatgenerallygoeswithgrowingprosperity.InJapan,forinstance,birthratesfellbe
5、lowthereplacementrateof2.1childrenperwomaninthemid1970sandhavebeenparticularlylowinthepast15years. Butifdemographicdeclineisnotgenerallyaconsequenceofeconomicdecline,surelyitmustbeacause?Inacrudesense,yes.Aspopulationsshrink,GDPgrowthwillslow.Someeconomiesmayevenstarttoshrink,too.Theresu
6、ltwillbealossofeconomicinfluence. GovernmentshatetheideaofashrinkingpopulationbecausetheabsolutesizeofGDPmattersforgreatpowerstatus.Thebiggertheeconomy,thebiggerthemilitary,thegreaterthegeopoliticalclout:annualGDPestimateswerefirstintroducedinAmericainthe1940saspartofitswareffort.Compani
7、esworry,too:theydonotliketheideaoftheirdomesticmarketsshrinking.Peopleshouldnotmind,though.WhatmattersforeconomicwelfareisGDPperperson. ThecrucialquestionisthereforewhattheeffectofdemographicdeclineisonthegrowthofGDPperperson.Thebadnewsisthatthislookslikelyto