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Agricultural Applied Economics Association
Dynamics of Agricultural Technology Adoption: Age Structure, Reversibility, and UncertaintyAuthor(s): Kenneth A. Baerenklau and Keith C. KnappSource: American Journal of Agricultural Economics, Vol. 89, No. 1 (Feb., 2007), pp. 190-201Published by: on behalf of theOxford University Press Agricultural & Applied EconomicsAssociationStable URL: http://www.jstor.org/stable/4123572Accessed: 05-03-2016 11:33 UTC
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DYNAMCOF AGRCULTURALTECHNOLOGY
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BaerenkauandKnappTechnoogyAdoptonAge Reversb ty Uncertanty195
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Figure 2 Optimal adoption rule for a one-year-old furrow system
aboveF gure2showsthathgherwaterand
cotton prces where water has both a hgh
m a rg n a c os t a n d a h g h v a u e m a rg na p r od -
ucttendto promoteadoptonofa drp sys-
tem even when the exst ng furrow system s
o n y o n e y e ar o d n t h e r a ng e o f r e ce n t y o b -
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mumwaterprceneededforadoptonofa drp
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between $30 and $120 the mn mum cotton
prceneededforadoptonofa drpsystem
a s o s r e a t v e y h g h r a ng n g f r om $ 0 9 0 t o
a vaue beyond the upper m t of our anays s
For the maorty of key prce combnatons
the userofaone-year-od furrowsystemw
choosetoretan theexstng system Forno
prce combnatons woud a new furrow sys-
m b d p d
Theborderbetweenthedarkgrayandwhte
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parsthattraceoutan ndfferencecurvefor
technoogychocewheretheexpectedvaue
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theexpectedvaueofpurchasnga newdrp
system7Thesopeof thscurvesuggeststhat
theadoptondecsons reatveymoresen-
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7 A finer discretization would smooth this curve but would also
g n f n y n un m
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