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dc.contributor.authorWaibel, Hermannen_US
dc.contributor.authorWesseler, Justusen_US
dc.contributor.authorMithöfer, Dagmaren_US
dc.date.accessioned2009-01-28T16:07:26Z-
dc.date.available2009-01-28T16:07:26Z-
dc.date.issued2005en_US
dc.identifier.urihttp://hdl.handle.net/10419/19826-
dc.description.abstractIndigenous fruits contribute widely to rural incomes in Southern Africa but their availability is declining. A domestication program aims to increase farm-household income and conserve biodiversity through farmer-led tree planting. Planting domesticated indigenous fruit trees is an uncertain, irreversible but flexible investment. Our analysis applies the real option approach using contingent claims analysis, which allows solving the discounting problem. The article analyses (1) to what level fruit collection cost and/or (2) the necessary technical change, i.e. breeding progress, have to rise in order to render tree planting economical, using data from income portfolios of rural households in Zimbabwe. Results currently show that collecting indigenous fruits is more profitable than planting the trees. A combination of technical change and decrease in resource abundance can provide incentives for farmer-led planting of domesticated trees and biodiversity conservation. However, breeding progress must be significant for investment in tree planting to be economically attractive.en_US
dc.language.isoengen_US
dc.publisheren_US
dc.relation.ispartofseriesProceedings of the German Development Economics Conference, Kiel 2005 / Verein für Socialpolitik, Research Committee Development Economics 35en_US
dc.subject.jelQ16en_US
dc.subject.jelQ23en_US
dc.subject.jelO13en_US
dc.subject.jelQ01en_US
dc.subject.ddc330en_US
dc.subject.keywordindigenous fruitsen_US
dc.subject.keywordreal optionen_US
dc.subject.keywordtechnology adoptionen_US
dc.subject.keyworduncertaintyen_US
dc.subject.keywordex ante impact assessmenten_US
dc.subject.keywordZimbabween_US
dc.titleR&D and private investment: How to conserve indigenous fruit biodiversity of Southern Africaen_US
dc.typeConference Paperen_US
dc.identifier.ppn500808414en_US
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungen-
dc.identifier.repecRePEc:zbw:gdec05:3508-
Appears in Collections:Proceedings of the German Development Economics Conference, 2005 (Kiel)

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