第67章 佃农理论英语原著 61
- 作者:张五常
- 类型:综合其他
- 更新时间:2021-07-04 15:14:17
- 章节字数:5626字
,toacceptthephenomen,theexistenceofunlimitedlaborsupplyorlabor”surplus”,itispresumptuoustosaythatthepeasantsareignorantoffarmingmethods,,the”rock-bottom”,lackinganexplicitbehavioralpostulate,theaverage-productargumentisinconsistentwithwealthmaximizationunderprivateownershipofresources.
Thetheoryofsharetenancyderivedinchapter2providesadifferentexplanationforhigherratiosoflabortolandinAsianagriculture:thepeborforce,togetherwiththefact,itistothelandownersinterestthatnonegativemarginaleffortis”disguised.”Giventheexistingresources,crowdedfarmingistheresultofwealthmaximization,notof”irrationality.”
Itisnotdifficulttoshowthat”original”theoremsorhypothesesintendedtoexplainresourceallocationin”underdeveloped”,theaforementionedhypothesescanbereadilydismissedinlightofobservationsonlanduseandtheanalystsneglectofthepertinentpropertyrightconstraints.
First,letustakeacloserlookattheso-calledovercrowdedfarminginAsia,which”overcrowding”cannotbedeniedbyWesternstandards:
,[cane][cane],farmersoftenplantpeanuts,sweetpotatoes,canesgrowtall.[2]
Examplesasintricateasthisareabundant.[3]:
ItisevidentfromthismazeofdetailontheactualuseoflandbycropsinChina,that,inspiteoftheintensiveuseofcropsforhumanutilizationdirectlyratherthanindirectlybyfirstproducinganimalproducts,stillgreaterproductioncouldbeobtained.[4]
WhileBuckisamazedbythevariousmethodsofintensivefarmingandsoilconservationinChina,th,unfamiliarwiththeactualsituation,mighteasilyconsiderthecrowdedtillingwasteful,andhastilydevelopfancytheoremsandpoliciestoslaythedragon.
Evidencesuggeststhat,beforetheagrarianreformsinAsia,themarginalpro,forexample,wherein19,however,increasesinlaborandotherinputsontenantfarmsundertherentalsharerestrictionledtosignificantincreasesinoutputs.
Indeed,thefactthat,forexample,,andtheygenerallyrequireeighttimesasmuchlabortocultivate.[5]Forgoingsomemoncropsforvegetableplantingwillleadtoincreasinglaborinput,nAsia.[6]
Zeromarginalproductivityoflaborimpliesaconditionwhereitisnolongerpossibletochooseamorelabor-intensivecroptoobtainahigherine,ibletoadoptafastercroprotationratewithincreasinglaborinputandine,,too,t
Asecondreasonforrejectingthehypothesesofdisguisedunemploymentandthed,disguisedunemploymentcannotbederivedfromstandardeconomictheory,,however,zeroornegativemarginalproductoflaborisconsistentwiththegeneralbodyofeconomictheory.[7]Thisissobecausepetitionamonguserswillreducetherentalvalueoflandtozero,thusequatingtheaverageproductoflaborwiththewagerate(oralternativeearning).
Supposethat,asdevelopmenteconomistshavetakenforgranted,empiricalevidencedidconfirmthatthetwentyyears,asmanyofthemare,,conditionswhichtheirhypotheseshaveimplicitlypresupposed,,aswasmentionedinchapter1,mayinfacthaveledto”dual”,asanalyzedinthesecondpartofthisstudy,therentalsharerestrictionyieldsacondition
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