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首页> 外文学位 >BSE Impacts on the Canadian Beef Industry---An Application of the Social Amplification of Risk Framework to Consumer and Producer Behaviour.
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BSE Impacts on the Canadian Beef Industry---An Application of the Social Amplification of Risk Framework to Consumer and Producer Behaviour.

机译：疯牛病对加拿大牛肉产业的影响-风险框架的社会放大在消费者和生产者行为中的应用。

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摘要

In this study the dynamics of risk perceptions about BSE held by Canadian consumers and cow-calf operators are evaluated. Since the BSE outbreak in 2003, Canadian consumers and cow-calf operators may have had various different reactions to BSE. These reactions may be related to their different levels of risk perception about BSE, risk perceptions which may have evolved over time and may be affected by BSE media information. These reactions may also be the result of factors other than BSE. An analysis of behavioural models of consumers and cow-calf producers is required to reveal the impacts of both BSE risk perceptions and non-BSE related factors.;The results show that SARF is supported by both panel data and time series data on Canadian consumers and cow-calf producers, suggesting that their risk perceptions about BSE are amplified by both the quantity and quality of BSE information. Risk perceptions about BSE have led to a decrease in beef demand and an increase in slaughter cow supply, which in turn, exacerbated losses in Canadian beef sector.;Structural break tests related to the BSE outbreak in May 2003 confirm changes in both consumers' and cow-calf producers' behaviour. Consumers with different profiles had different levels of risk perceptions about BSE and different demand and substitution elasticities. Cow-calf producers from different regions also had different levels of risk perceptions about BSE and different supply elasticities, suggesting the need for more analysis of market segmentation. Simulation analyses over the North American beef sector further confirmed the impact of BSE risk perceptions of Canadian consumers and cow-calf producers in the North American beef and live cattle market.;In this study, the risk perceptions about BSE are specified applying a Social Amplification of Risk Framework (SARF) and a Prospective Reference Theory (PRT), and evaluated through market observed behaviour of Canadian consumers and cow-calf producers, an approach which is different than the traditional stated preference approach to eliciting risk perception measures. Parametric and non-parametric structural break tests associated with the BSE outbreak (May 2003) are employed to evaluate changes in consumers or cow-calf operators' behaviour.
机译：在这项研究中，评估了加拿大消费者和小牛经营者对疯牛病风险认知的动态。自2003年爆发疯牛病以来，加拿大的消费者和小牛经营者对疯牛病的反应可能不同。这些反应可能与他们对BSE的风险认知水平不同有关，风险认知可能随着时间的推移而演变，并且可能会受到BSE媒体信息的影响。这些反应也可能是疯牛病以外的因素造成的。需要对消费者和牛犊生产者的行为模型进行分析，以揭示牛海绵状脑病风险认知和非牛海绵状脑病相关因素的影响;结果表明，针对加拿大消费者的面板数据和时间序列数据均支持SARF;牛犊牛生产者，表明他们对疯牛病的风险认识被疯牛病信息的数量和质量所放大。对牛海绵状脑病的风险认识导致牛肉需求减少和屠宰牛供应增加，进而加剧了加拿大牛肉部门的损失。； 2003年5月与牛海绵状脑病爆发有关的结构性断裂试验证实了消费者和消费者的变化。牛犊生产者的行为。具有不同特征的消费者对BSE的风险认知水平不同，需求和替代弹性也不同。来自不同地区的牛犊生产者对疯牛病和不同供应弹性的风险认识也不同，这表明需要对市场细分进行更多分析。对北美牛肉行业的模拟分析进一步证实了BSE风险观念对北美牛肉和活牛市场中加拿大消费者和牛犊生产者的影响。在本研究中，使用社交放大法指定了有关BSE的风险观念。风险框架（SARF）和前瞻参考理论（PRT），并通过对加拿大消费者和牛犊生产者的市场观察行为进行评估，该方法不同于传统的陈述偏好方法来引发风险感知措施。与疯牛病爆发（2003年5月）相关的参数性和非参数性结构破坏测试用于评估消费者或小牛经营者行为的变化。

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  • 作者

    Yang, Jun.;

  • 作者单位

    University of Alberta (Canada).;

  • 授予单位 University of Alberta (Canada).;
  • 学科 Economics Agricultural.;Psychology Industrial.
  • 学位 Ph.D.
  • 年度 2010
  • 页码 418 p.
  • 总页数 418
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 老年病学;
  • 关键词

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