Thetheoryofsharetenancywasalsoappliedtoasituationinwhichtherentalpercentageisreducedtoauniformlegalmaximum,,,thattherewouldbepensatingpaymentsandtenurerearrangements,,,thattherewouldbemarginalinequalitiesofresourceallocationasaresultoftherentalsharerestriction,,"irrational"behaviorhasbeendiscerned,andnewpostulateshavebeenadvancedtoexplainwhateverobservationsareregardedas"mysterious.""underdeveloped"countries,,itis,ofcourse,"mysterious"observationswithoutinvestigatingthepertinentpropertylawsisunwarranted."Disguisedunemployment"andthe"dualeconomy",inAppendixA,,underthesharerestriction,reallocationofnonlandresourcestoagricultureasawholeproduceda"dualeconomy.",,similaritiesanddissimilarities,therelativecostsofenforcingthem,and,perhapsmoredifficult,theeconomicforceswhichbroughtthemintobeing,,,buttheyarealsomonamongretailstores,beautysalons,gasolinestations,amusement-parkrentals,,whentheconstraintsofpetitiondiffer,,inTaiwanbefore1951,aportionoffarmlandownedbythegovernmentwasleasedtotenantsonasharebasis;inmainlandChinainthe1950s,,moreformalanalysesofthechoiceofcontractualarrangementsandoftransactioncostsareneeded.Aswasnotedinchapter4,Ifailedtoarriveatgeneralequilibriumsolutions,,theproperapproachtoanalyzinglandtenureistoinvestigatethenatureofthepropertylawswhichdefinetheconstraintofpetition,andnotmerely,ashasfrequentlybeendone,(andparticularlyinChina)(wherethemarginalproductivityofpeasantsissaidtobezeroornegative).Stillothershaveclaimedthatwhetherornotthemarginalproductivityofpeasantsiszero,,ofunlimitedlaborsupply,ofpeculiarfixed-factorcoefficientproductionfunctionsowingtothepeasants'ignoranceoffarmingmethods,andofa"rock-bottom".[1]