文章基本信息

标题：Coordinating to Eradicate Animal Disease, and the Role of Insurance Markets
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作者：Hennessy, David A.
期刊名称：Journal of Food Distribution Research
印刷版ISSN：0047-245X
出版年度：2007
期号：SUPPL
出版社：Food Distribution Research Society
摘要：Farmed animal production has traditionally been a dispersed sector. Biosecurity actions relevant to eradicating infectious diseases are generally non-contractible, and might involve inordinately high transactions costs if they were contractible. If an endemic disease is to be eradicated within a region, synchronized actions need to be taken to reduce incidence below a critical mass so that spread can be contained. Using a global game model of coordination under public and private information concerning the critical mass required, this paper characterizes the success probability in an eradication campaign. As is standard in global games, heterogeneity in private signals can support a unique equilibrium. Partly because of strategic interactions, concentrated production is found to facilitate eradication whenever unit participation costs are decreasing. Policies to manipulate the critical mass have both a direct effect and a strategic coordination effect. Policies to manipulate information can have subtle and non-intuitive consequences. A program to keep disease out can be modeled similarly. It is shown, too, that coordination problems may lead to multiple equilibria in animal disease insurance markets, so that these markets may complicate a disease eradication program by creating opportunities for multiple inefficient equilibria. The presence of private insurance markets may facilitate coordination and, for good or ill, can seal the fate of a program.
关键词：Biosecurity;Coordination failure;Disease insurance;Endemic disease;Global games;Market access;Public information;Veterinary public health