Estimating the economic impacts of bird and rodent damage to selected California crops
| dc.contributor.author | Gebhardt, Karen Susan Ilse, author | |
| dc.contributor.author | Fan, Chuen-mei, advisor | |
| dc.contributor.author | Bernasek, Alexandra, committee member | |
| dc.contributor.author | Mushinski, David, committee member | |
| dc.contributor.author | Thilmany, Dawn, committee member | |
| dc.date.accessioned | 2007-01-03T05:15:55Z | |
| dc.date.available | 2007-01-03T05:15:55Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | This research estimates the direct financial costs and the changes in economic welfare associated with bird and rodent damage to 15 different crop markets in eight agricultural regions in California. Three different models are used to quantify this impact: a meta-analysis to aggregate and analysis a large database of 206 damage estimates from 43 studies related to 15 crops across 6 (of 8) regions of California, a direct financial cost model to identify changes in profits and costs from an individual producer's perspective, and a combination of an equilibrium displacement model (EDM) and an economic surplus model to estimate changes to producer and consumer surpluses. Using a range of damage estimates calculated from the meta-analysis, results from the direct financial analysis indicate that birds and rodents have a direct financial impact in reducing income from lower production and increasing production costs and was calculated as a range from $1,153 m to $1,726 m. Results from the EDM and economic surplus model are the estimated gain in consumer surplus resulting from an absence of bird and rodent damage and a reduction is between $689.6 m and $$1,148.5 m and the estimated gain in producer surplus is between $396.0 m and $658.8 m. Understanding the aggregate impact of damage caused by birds and rodents to multiple economically important crops in California agriculture is crucial. The results of this study indicate that bird and rodent have caused negative impacts on California producers and consumers. Through the inclusion of a more complete damage data set, the impact of this damage on profits and consumer and producer surpluses was estimated with greater accuracy and yielded predictive and interpretive value to the profession. | |
| dc.format.medium | born digital | |
| dc.format.medium | doctoral dissertations | |
| dc.identifier | Gebhardt_colostate_0053A_10348.pdf | |
| dc.identifier.uri | http://hdl.handle.net/10217/47386 | |
| dc.language | English | |
| dc.language.iso | eng | |
| dc.publisher | Colorado State University. Libraries | |
| dc.relation.ispartof | 2000-2019 | |
| dc.rights | Copyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright. | |
| dc.subject | agriculture | |
| dc.subject | damage | |
| dc.subject | economics | |
| dc.subject | economic surplus | |
| dc.subject | meta-analysis | |
| dc.subject | wildlife | |
| dc.title | Estimating the economic impacts of bird and rodent damage to selected California crops | |
| dc.type | Text | |
| dcterms.rights.dpla | This Item is protected by copyright and/or related rights (https://rightsstatements.org/vocab/InC/1.0/). You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s). | |
| thesis.degree.discipline | Economics | |
| thesis.degree.grantor | Colorado State University | |
| thesis.degree.level | Doctoral | |
| thesis.degree.name | Doctor of Philosophy (Ph.D.) |
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