securityargumentsmayhavesomevalidity,buttheymustbehighlyqualified.经济学家普遍认为,大多数参数的贸易限制,不能承受搜索分析。幼稚产业和国家安全的争论可能会有一定的道理,但她们必须是合格的。15.征收关税对一个国家的贸易条件和贸易量产生的影响。Termsoftradeimprove,whiletradevolumedeclines.贸易条件的改进,而贸易量下降。第5章3.进口配额可能带来的收益和成本。Theimportquotatendstopermitdomesticfirmsandworkerstoenjoyhighersales,profits,andemploymentlevels.Consumerstendtofacehigherpricesandexpenditurelevels.Theeconomyasawholefacesdeadweightlossesinproductionandconsumption.进口配额会使国内企业和工人享受更高的销售额,利润,和就业水平。消费者往往面临更高的价格和支出水平。整个经济面临的无谓损失的生产和消费。5.哪种趋势会造成家庭经济更大的福利损失:(1)由本国政府实行进口配额(2)由外国政府自愿实行出口配额。Underanimportquota,thedistributionoftherevenueeffectisindeterminate,dependingontherelativebargainingpowerofforeignproducersanddomesticbuyers.Becausevoluntaryexportquotasaretypicallyadministeredfromthesupplysideofthemarket,thelargest
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