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dc.contributor.authorChristiaans, Thomasen
dc.contributor.authorEichner, Thomasen
dc.contributor.authorPethig, Rüdigeren
dc.date.accessioned2005-12-09-
dc.date.accessioned2010-10-19T12:01:00Z-
dc.date.available2010-10-19T12:01:00Z-
dc.date.issued2005-
dc.identifier.urihttp://hdl.handle.net/10419/41093-
dc.description.abstractBased on economic methodology we model an ecosystem with two species in predator-prey relationship: mice feed on grain and grain feeds on a resource. With optimizing behavior of individual organismus a short-run ecosystem equilibrium is defined and characterized that depends on the farmer's use of fertilizer and on the mice population which, in turn, is affected by pesticides. Linking a sequence of short-run ecosystem equilibria yields the growth function of the mice population which is thus derived rather than assumed. In each period the farmer harvests all grain in excess of some given amount of seed. If she maximizes her present-value profits, optimal farming is shown to depend on the prices of pesticide or to apply a chattering control. Pest eradication is never optimal. On the other hand, if the farmer takes into account steady state mice populations only, it may be optimal to eradicate mice or to use no or a moderate amount of pesticide depending on prices as well as on the shape of the grain production function which is determined by micro parameters of grain reproduction.en
dc.language.isoengen
dc.publisher|aUniversität Siegen, Fakultät III, Wirtschaftswissenschaften, Wirtschaftsinformatik und Wirtschaftsrecht |cSiegenen
dc.relation.ispartofseries|aVolkswirtschaftliche Diskussionsbeiträge |x122-05en
dc.subject.jelQ24en
dc.subject.jelQ57en
dc.subject.ddc330en
dc.subject.keywordpesticidesen
dc.subject.keywordagricultureen
dc.subject.keywordpredator-preyen
dc.subject.keywordchattering pest controlen
dc.subject.stwPestiziden
dc.subject.stwKontrolltheorieen
dc.subject.stwAgrarproduktionen
dc.subject.stwProduktionsfunktionen
dc.subject.stwBioökonomiken
dc.subject.stwTheorieen
dc.titleOptimal pest control in agriculture-
dc.type|aWorking Paperen
dc.identifier.ppn504272462en
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen
dc.identifier.repecRePEc:sie:siegen:122-05en

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