共查询到10条相似文献,搜索用时 232 毫秒
1.
2.
In this paper, we model production technology in a state‐contingent framework. We assume that all the firms use the same stochastic technology, but they may have different risk attitudes and information sets, and ex post they may operate in different production environments. Firms maximise ex ante their preference function subject to a stochastic technology constraint; in other words, they are assumed to act rationally, thereby leaving no room for either technical or allocative inefficiency. We provide a simple parametric functional form to represent the state‐contingent technology. Using simple numerical examples, we illustrate how optimal input–output choices are dramatically affected when firms have different preferences and information sets. Thus, we show that the observed disparateness of production choices among different firms can actually be attributed to the stochastic nature of the decision environment. 相似文献
3.
研究目的:探究风险感知、风险态度对农村土地经营权流转的影响作用,为推进农村土地流转制度创新实践提供理论和实证依据。研究方法:将风险感知理论与风险态度理论相结合,探讨两者对农村土地经营权流转的影响作用,提出研究假设,并通过浙江省嘉兴市农户的调查数据进行验证。研究结果:(1)风险感知对农村土地经营权流转产生显著负向影响;(2)风险态度对农村土地经营权流转产生显著负向影响;(3)风险感知和风险态度的交互作用对农村土地经营权流转产生显著负向影响,表明具有较小风险规避程度的农户,即使感知到农村土地经营权流转具有较大风险时,流转土地经营权的可能性也将增加。研究结论:农村土地制度创新实践中,关注风险感知因素和风险态度因素将有助于推进农村土地经营权流转。 相似文献
4.
John Quiggin Robert G. Chambers 《The Australian journal of agricultural and resource economics》2006,50(2):153-169
The central claim of this paper is that the state‐contingent approach provides the best way to think about all problems in the economics of uncertainty, including problems of consumer choice, the theory of the firm, and principal–agent relationships. This claim is illustrated by recent developments in, and applications of, the state‐contingent approach. 相似文献
5.
Richard Shepherd Gary Barker Simon French Andy Hart John Maule Angela Cassidy 《Journal of Agricultural Economics》2006,57(2):313-327
We explore ways for expressing and communicating uncertainties about food risks and the options for including views from different stakeholders, including members of the public, in risk assessment and risk management. Uncertainty is not only a major consideration of technical risk assessments but also needs to be understood within the two‐way interaction with various stakeholders, ranging from specialist risk managers to members of the public. We consider techniques for integration of technical risk assessment methodologies, including measures of the uncertainties, with social science inputs on participation processes, consumer behaviour and effective risk communication. We use case studies representing different types of risk – chemical contamination, and microbial contamination – to focus the discussion. The paper reviews the approach of ongoing interdisciplinary research which is exploring ways of communicating risks and involving members of the public and other stakeholders in defining the interfaces and processes needed. 相似文献
6.
研究目的:探究农户不同风险偏好的土地经营权拍卖报价特征,为构建供求均衡的流转价格机制提供理论和实证依据。研究方法:运用拍卖理论,构建土地经营权流转拍卖报价模型,并通过嘉兴市调查数据分析机会成本与拍卖报价、风险溢价之间的关系。研究结果:(1)随着保留价范围的扩大,农户机会成本与拍卖报价之间的相关性变得显著,并使得高机会成本农户参与农村土地经营权流转;(2)保留价范围扩大时,农户总体上表现为风险爱好程度逐步降低,而风险规避程度逐步增加的趋势;(3)仅当保留价为固定值时,机会成本与风险溢价差值之间的相关关系不显著,而当保留价范围扩大时,两者呈显著正相关,且相关系数先增加后减少,并在保留价范围等于30%时达到最大值。研究结论:农村土地制度改革实践中,可运用拍卖报价机制并通过设置适当的保留价范围,以达到供求均衡,推进农村土地经营权流转。 相似文献
7.
从不确定性角度出发,分析了土地利用规划管理过程中不同阶段的不确定性因素,在此基础上,尝试构建基于不确定性的土地利用规划管理“弹性-滚动-监测”模式,并系统阐述该模式的核心内容和实施保障机制,以缓解和减轻土地利用规划管理过程中不同阶段的不确定性因素的负面影响. 相似文献
8.
Robert Finger Viviana Garcia Chloe McCallum Jens Rommel 《Journal of Agricultural Economics》2024,75(1):465-472
Explaining farmer decision making using cumulative prospect theory is of increasing importance. We present a systematic review on European farmers' preferences under the cumulative prospect theory framework. We identified 17 studies covering 2324 farmers from 12 European countries. All studies report that (on average) farmers are: (i) risk averse, (ii) loss averse, and (iii) overweight small probabilities and underweight large probabilities. However, there is a large heterogeneity across and within studies. These findings have implications for the analysis and design of policy and insurance. 相似文献
9.
通过对现阶段我国土地利用规划内在特点的分析,指出土地利用规划风险存在的必然性和多样性。基于土地利用规划实践,认为土地利用规划中的风险可分为自然风险、社会风险、经济风险、环境风险、政治风险和技术风险。针对这些风险,建立了土地利用规划中实施风险管理的科学程序,提出了具体的风险管理措施。 相似文献
10.
土地利用规划的风险管理 总被引:1,自引:0,他引:1
研究目的:通过对现阶段中国土地利用规划内在特点分析,指出土地利用规划风险存在必然性和多样性.研究方法:基于土地利用规划实践.研究结果:土地利用规划中的风险可分为自然风险、社会风险、经济风险、环境风险、政治风险和技术风险.针对这些风险,建立了土地利用规划中实施风险管理的科学程序,提出了具体的风险管理措施. 相似文献