Invasive Species Management: Foot-and-Mouth Disease in the U.S. Beef Industry

Author:

Zhao Zishun,Wahl Thomas I.,Marsh Thomas L.

Abstract

A conceptual bioeconomic framework that integrates dynamic epidemiological-economic processes was designed to analyze the effects of invasive species introduction on decision making in a livestock sector (e.g., production and feeding). The framework integrates an epidemiological model, a dynamic livestock production model, domestic consumption, and international trade. The integrated approach captures producer and consumer responses and welfare outcomes of livestock disease outbreaks, as well as alternative invasive species management policies. Scenarios of foot-and-mouth disease are simulated to demonstrate the usefulness of the framework in facilitating invasive species policy design.

Publisher

Cambridge University Press (CUP)

Subject

Economics and Econometrics,Agronomy and Crop Science

Reference43 articles.

1. The modeling method of disease dissemination that we adopted is a standard S-I-R (susceptible-infectious-removed) type model. Interested readers can refer to Miller (1979) or Rich (2004) for a complete description of the dynamic system.

2. We are not aware of any previous study that provides estimates for the export demand elasticity of U.S. beef to South Korea. Different values for this parameter were tried in the simulated scenarios; the results for inventories, prices, and welfare measures did not change significantly. For example, when −0.5 instead of −1 was used in scenario 6 of the first set, consumer surplus decreased by 0.0177 percent and producer surplus increased by 0.478 percent; when −2 was used in the same scenario, consumer surplus increased by 0.36 percent and producer surplus decreased by 0.81 percent. Different values did not change the conclusion drawn about the different scenarios.

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