Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

    We have a manual that explains all the features 

Record number 364213
Title Dynamic programming and learning models for management of a nonnative species
Author(s) Eiswerth, M.E.; Kooten, G.C. van
Source Canadian Journal of Agricultural Economics 55 (2007)4. - ISSN 0008-3976 - p. 485 - 498.
Department(s) Agricultural Economics and Rural Policy Group
Publication type Refereed Article in a scientific journal
Publication year 2007
Keyword(s) strategies
Abstract Nonnative invasive species result in sizeable economic damages and control costs. Because dynamic optimization models break down if controls depend in complex ways on past controls, nonuniform or scale-dependent spatial attributes, etc., decision-support systems that allow learning may be preferred. We compare two models of an invasive weed in California's grazing lands: (i) a stochastic dynamic programming model and (ii) a reinforcement-based, experience-weighted attraction (EWA) learning model. We extend the EWA approach by including stochastic forage growth and penalties for repeated application of environmentally harmful controls. Results indicate that EWA learning models offer some promise for managing invasive species.
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