,,thereisonlyadifferenceofmodestdegreeintheroleofpricerationingintheshare-rentalmarketandinthecash-rentalmarket.[30]

Inthecourseofhisanalysis,,hewrote:

Isitlikelythatatenantoperatingundertheseconditionswillallocatehisresourcesinexactlythesamewaythathewouldifpayingacashrentindependentoftheactualoutput?.[31]

Whynot?Asshowninthelastchapter,theidentityoftheaveragerentunderfixedandsharecontractsexists,inequilibirum,,valuesofnonlandinputsandrentalpercentage,,itissomewhatpuzzlingthatJohnsonalsowrote:

,thetenantmustplantoproduceanaverageoutputperacrethatwillprovidearentalpayment,ifyieldsareaverage,equaltothepossiblecashrent……[32]

Theapparentcontradictionbetweenthisandtheearlierquotationcanperhapsbereconciledasfollows:Inrejectingthetheoreticalidentityoftheaveragerentunderfixedandsharecontracts,,,',hecalledfor"anempiricalverification……of[theeffectsof]shareleasesuponresourceallocation."[33]