Theresourceallocationimpliedbytheaboveequilibrium,whilesatisfyingtheParetocondition,takesaninterestingformwhichhasyettobeobserved:Therearemanytenantsworkingononefarmwitheachtenantmittingatrivialamountoflabor;eachtenantworksonmanyfarms,,,weneverobservetenants'dispersingtheirinputsamongmanyfarmsasdescribedbecausetransactioncosts,andinparticularthecostofcontractingandthecostofmovingfromfarmtofarm,arenotzero.[1].Inalessprehensiveform,thisisanalternativeexpressionoftheresultsobtainedinchapter2.[2].Supposethemarginaltenantreceiptcurvesrisebeforefalling,,thetenant（whoisnowentirelyfreetochoose）willdispersehistotalinputsuntiltheaveragetenantreceipt,（q/t）（1-r）,foreachfarmisatamaximum,,underprivateownershipofresources,,however,aninterestingsetofconditionsforpositionAcanbespecified:（a）thatlandownershipbelongstothestateandthegovernmentarbi-trarilyassignslandtotenantswithrentscollectedonasharebasis;（b）thatthetenantisfreetoworkelsewhereatamarketwagerateandtheamountoflaborheusesonthestatelandisnotstipulated;and（c）thatthetenant',itappearsthatequilibriumwillbeatA,andtheresidualearningsforthegovernmenttenantsaresimilarto"welfare".[3].Iftheindustrysupplyoftenantlaborisrising,,.GaleJohnsoncalledforempiricalconfirmationofresourceuseundersharetenancyin1950,.Inthelate1920sandearly1930sinChina,attacksonfarmingundertenancyweremon,,,withtheexceptionoftwonotedworksintheEnglishlanguage,bothbyJohnLossingBuck,thegreaterpartofthesefindingshassinceremainedunknown.[1]

Theaforementionedfindings,inadequateastheymayseem,,togetherwithfindingsfromelsewhereinAsia,,however,,,wecanperformseveralsimpletests.Accordingtothestandardtheoryofsharetenancyderivedinchapter2,giventheproductionfunction,,weshouldobserveahigherrentalper-centageif（a）thelandismorefertileor（b）thecostoftenantinputsislower.[2]Evidenceconfirmingthishypothesisisstrong:

1.Accordingtoaninvestigationwhichcovers641samplefarmsinelevenlocalitiesinChina（1921-25）,:

Asrentthetenantgivesthelandlordone-halfofthegrainandstrawfromwheatandriceland,two-fifthsofthegrainandstrawfromricelandonly,andthree-tenthsofthegrainandstrawfrompoorland.[3]

Likewise,itwasobservedinKweichowProvince（1929-30）that:

,foruppergradelandtherentalshareis60percent;formediumgrade50percent;andforlowergrade40percent.[4]

Casualobservationsaside,numericaldatashowingthesamepatternswerecollectedbytheLegislativeYuan（China,1930）andtheDepartmentofInternalAffairs（China,1932）.[5]ThefindingsofthelatterhavebeenputedandplacedinAppendixB,,,regardlessofwhetherthelandinvolvedwaspaddyfieldordryfield.Thedatarevealthat99.4percentofthepaddyfieldsundertenancywereaffectedbythissharerestriction;thatis,,only50.9percentofthedryfieldsundertenancywereaffectedbythesamerestriction.[6]Thisimpliesthathigherrentalpercentagesweregenerallyassociatedwiththemorefertilepaddyfieldsunderafreemarket.