经济学原理（曼昆）（第5版）微观经济学分册（英文版）.Mankiw.-.Principles.Of.Micro-economics教材

gtopayfor.Theworld’sbestbasketballplayerearnsmorethantheworld’sbestchessplayersimplybecausepeoplearewillingtopaymoretowatchbasketballthanchess.Theinvisiblehanddoesnoten-surethateveryonehassufficientfood,decentclothing,andadequatehealthcare.Agoalofmanypublicpolicies,etaxandthewelfaresystem,istoachieveamoreequitabledistributionofeconomicwell-being.esattimesdoesnotmeanthatitalwayswill.Publicpolicyismadenotbyangelsbutbyapoliticalprocessthatisfarfromperfect.Sometimespoliciesaredesignedsimplytorewardthepoliticallypowerful.Sometimestheyaremadebywell-intentionedleaderswhoarenotfullyinformed.Onegoalofthestudyofeconomicsistohelpyoujudgewhenagovernmentpolicyisjustifiabletopromoteefficiencyorequityandwhenitisnot.QUICKQUIZ:Listandbrieflyexplainthethreeprinciplesconcerningeconomicinteractions.破解市场交易核心密码