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1.
我国农业保险市场失衡分析——基于效用理论视角   总被引:2,自引:0,他引:2  
本文在分析农业保险发展现状的基础上,基于马斯洛需求层次理论、风险偏好理论及风险规避程度度量理论,建立农户风险态度呈动态变化的效用函数曲线,推导出政府对农业保险补贴的上限和下限,得出结论:政府补贴过低无法达到刺激农户购买欲望转化为有效需求;但政府对农业保险的补贴并不是越多越好,超过一定限度,反而引发更为严重的道德风险,并导致农户的风险规避程度下降,进而影响农业保险的需求。  相似文献
2.
货币政策的非对称性:基于前景理论的解释   总被引:2,自引:0,他引:2  
利用前景理论及其扩展研究不同货币政策下人们的行为选择及其变化,结果表明:不同的货币政策下,收入水平和边际利得的不同会促使人们相应地调整参考点和权重,使总价值函数处于不同的位置(税收和通胀也都对参考点和总价值具有重要的影响),使人们呈现出不同的风险偏好,并采取不同的应对措施,从而导致了货币政策的非对称性.  相似文献
3.
不确定性、风险偏好与利润基数   总被引:1,自引:0,他引:1  
激励理论是近30年来经济学发展的主要成就,在国外,其理论框架已基本形成。然而国内还没有对其系统化,较受关注的是一些激励机制的应用性问题。其中,联合基数确定法是一种简明有效的基数确定方式,在实际应用中取得了较大经济效益。但是,由于此模型过于简化,难以确定是否从理论意义上与最优的基数安排相一致,这就需要将其置于标准的委托代理框架下来审视其作用机制。  相似文献
4.
This paper examines how shocks can transmit across international stock markets through the channel of time-varying investor risk preferences. We highlight the effects of this channel by comparing the conventional constant relative risk aversion utility function with the habit-formation utility function of Campbell and Cochrane (J. Pol. Econ. 107 (1999) 205). Calibrating our model with data from Argentina, Korea and Mexico, we find that in the presence of time-varying investor risk preferences, market integration generates a substantial increase in cross-country co-movements of stock returns.  相似文献
5.
This paper integrates models of atemporal risk preference that relax the independence axiom into a recursive intertemporal asset-pricing framework. The resulting models are amenable to empirical analysis using market data and standard Euler equation methods. We are thereby able to provide the first nonlaboratory-based evidence regarding the usefulness of several new theories of risk preference for addressing standard problems in dynamic economics. Using both stock and bond returns data, we find that a model incorporating risk preferences that exhibit first-order risk aversion accounts for significantly more of the mean and autocorrelation properties of the data than models that exhibit only second-order risk aversion. Unlike the latter class of models which require parameter estimates that are outside of the admissible parameter space, e.g., negative rates of time preference, the model with first-order risk aversion generates point estimates that are economically meaningful. We also examine the relationship between first-order risk aversion and models that employ exogenous stochastic switching processes for consumption growth.  相似文献
6.
卡尼曼( Kahneman )与特沃斯基( Tversky )对行为经济学进行了广泛而系统的研究后所提出的前景理论,冲击了预期效用理论,从动态的角度和行为者的风险偏好行为做了具体深入的研究,并强调微观层次上的决策者和环境之间的互动,较好的解释了认知偏见如何影响决策者对信息的处理,进而影响其决策的行为。  相似文献
7.
本文以"A+H"交叉上市公司价格差异为研究对象,对A股、H股股票价格之间差异及其变化进行研究。根据对36家A+H股上市公司近期9个月溢价水平的分析发现,信息不对称理论能够解释AH股溢价扩大的现象,投资者与公司之间信息不对称问题得到缓解的趋势不明显,反而有所强化;国有股特征导致AH溢价缩小,海外投资者对国有股份的认同度提升;流动性理论、不同风险偏好理论不能解释AH溢价变化,数据分析支持信息不对称理论、风险特征理论和需求理论。  相似文献
8.
In this article, we provide an evidence on the effects of the sharing economy by studying internet finance. It aims to explore how internet finance affects the relationship between commercial bank risk preferences and monetary policy, and discusses whether this impact varies across heterogeneous banks. The results suggest that having a loose monetary policy encourages a preference for risk. In addition, internet finance alters the sensitivity of bank risk behavior to monetary policy. Internet finance has a heterogeneous influence, depending on a bank’s ownership (i.e., state or private) and size. At privately owned banks, internet finance has only a moderate impact on the bank risk-taking transmission channel of monetary policy, unlike the subsample of large banks.  相似文献
9.
10.
By adjusting direction vectors, we are able to measure technical efficiency incorporating risk preference of individual banks using non-parametric and parametric approaches. Furthermore, we explore categories of commercial banks by comparing their risk preferences to the risk preference that optimizes technical efficiency. Three results emerged. First, technical efficiency scores of joint stock and city commercial banks surpassed those of state-owned commercial banks under the optimal risk preference, and technical efficiency generally improved over time. Second, the preference for risk balance was optimal for achieving technical efficiency. Third, a larger proportion of state-owned and joint stock commercial banks fall into the preference for risk neutral category than city commercial banks.  相似文献
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