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1、曼昆的经济学原理学习心得（TheprincipleofeconomicsMankiw'slearningexperience）TheprincipleofeconomicsMankiw'sstudynotes(on)Theprincipleof"economics"MankiwChapteroneFourprinciplesforindividualdecisionmaking:1)whenpeoplefacetradeoffs(whenmakingdecisions,peoplehavetochoosebetw
2、eendifferentgoals)2)thecostofsomethingissomethingtogiveupinordertogetit(forexample,goingtocollege,takingintoaccountthelossofwagesthatcan'tbeworkedout)3)rationalpeoplethinkaboutmarginalamounts(forexample,whentoread,togetthebestwages,Ph.D.,Master)4)peoplerespon
3、dtoincentives(forexample,goingtothesupermarkettobuythingsischeap,sowebuy,webuyalotofunnecessarythings,butspendmoremoney)Threeprinciplesofeconomicmutualtransaction:5)Tradecanmakeeveryonebetter.Thinkifthere'snotrade,andwe'reinthenaturaleconomy,thenweneedtodoeve
4、rything,weneedtodotherefrigerator,thecolortv......Impossible。Notradeisnocompetition,thenwecanbeinacertainareabypeoplethinkofmonopoly,closedChinese,wemaynotbeabletogetalotofadvancedscienceandtechnology,butwenowandmanycountriestrade,sothatwecanenjoymoreadvanced
5、technology)6)themarketisusuallyagoodwaytoorganizeeconomicactivities(thisthingcanbeseenrepeatedlyfromtheDengXiaopingtheoryIhavelearned,invisiblehand,price!)7)Thegovernmentsometimescanimprovemarketoutcomes(weneedgovernmenttomaintainthesecurityofthissociety.....
6、.Topromoteefficiencyandpromotefairness,althoughmanytimestheyareacontradiction,sometimesgovernmentsmaynotbeabletodothisThreeprinciplesofhowthewholeeconomyoperates:8)Acountry'sstandardoflivingdependsonthecapacityofthegoodsandservicesitproduces(ie,laborproductiv
7、ity,youworkforanhour),howmuchwealthcanyoumake?.Soweshouldimprovethestandardofliving,weneedtogetagoodeducation,andnowIamdoingit,haha,haveproductiontools--Inowneedacomputer,faster,betterandtotheLCDscreen,accesstothebestavailabletechnologythatIneedtoconsultaloto
8、fmentorsandlibrary,brotheralso,theopportunitytofightfortheirown!)9)whenthegovernmentissuestoomuchmoney,pricesrise(thisisunderstandable,notinflation)10)societyfacesashort-runtradeoffbetwee
