Ruin probabilities in multivariate risk models with periodic common shock

We propose a multidimensional risk model where the common shock affecting all classes of insurance business is arriving according to a non-homogeneous periodic Poisson process. In this multivariate setting, we derive upper bounds of Lundberg-type for the probability that ruin occurs in all classes simultaneously using the martingale approach via piecewise deterministic Markov processes theory. These results are numerically illustrated in a bivariate risk model, where the beta-shape periodic claim intensity function is considered. Under the assumption of dependent heavy-tailed claims, asymptotic bounds for the finite-time ruin probabilities associated to three types of ruin in this multivariate framework are investigated.     

A Conversation with John C. Gower

Editors' Note: This conversation covers the extensive contributions of John C. Gower to statistical methodology, computing and applications. It also touches on the pioneering development of statistical computing at Rothamsted Experimental Station and the relevant work of Frank Yates, John Nelder and others who were at Rothamsted. See also the accompanying paper by John Gower (1985) on developments in statistical computing at Rothamsted (see Note 1) and the epilogue from Roger Payne.     

Development Without Industrialization? Household Well-Being and Premature Deindustrialization

The effect of premature deindustrialization on the distribution of gains from growth has thus far been understudied. Using census data from eleven countries spanning five decades and shift-share analysis, I find evidence of persistent gaps in multidimensional well-being in household categories defined by employment type and urban/rural location, and a cross-country pattern of less improvement due to expansion of industrial employment over time, without adequate replacement. Taken together, these results provide evidence for a negative relationship between improvements in household well-being and premature deindustrialization on both an individual country case and in a cross-country sample.     

A Cross-Cultural Comparison of the Deliberative Reasoning of Canadian and Chinese Accounting Students

Absract  Using Hofstede’s culture theory (1980, 2001, Culture’s Consequences: Comparing Values, Behaviours, Institutions, and Organizations Across Nation. Sage, NewYork), the current study incorporates the moral development (e.g. Thorne, 2000; Thorne and Magnan, 2000; Thorne et al., 2003) and multidimensional ethics scale (e.g. Cohen et al., 1993; Cohen et al., 1996b; Cohen et al., 2001; Flory et al., 1992) approaches to compare the ethical reasoning and decisions of Canadian and Mainland Chinese final year undergraduate accounting students. The results indicate that Canadian accounting students’ formulation of an intention to act on a particular ethical dilemma (deliberative reasoning) as measured by the moral development approach (Thorne, 2000) was higher than Mainland Chinese accounting students. The current study proposes that the five factors identified by the multidimensional ethics scale (MES), as being relevant to ethical decision making can be placed into␣the three levels of ethical reasoning identified by Kohlberg’s (1958, The Development of Modes of Moral Thinking and Choice in the Years Ten to Sixteen. University of Chicago, Doctoral dissertation) theory of cognitive moral development. Canadian accounting students used post-conventional MES factors (moral equity, contractualism, and utilitarianism) more frequently and made more ethical audit decisions than Chinese accounting students. Lin Ge is an accountant at Guest-tek Interactive Entertainment Ltd. Her research interest includes ethics and judgment of accountants and auditors, cross-cultural studies and international business. Stuart Thomas, Ph.D., is associate professor of accounting in the Faculty of Management at the University of Lethbridge, Alberta, Canada. He has published in the Journal of Business Ethics, Business and Society, Research on Professional Responsibility and Ethics in Accounting, Advances in Management Accounting and the Journal of Accounting Case Research. His research interests focus on ethical decision making and the effects of pay schemes on performance and standard setting.     

基于HP滤波—神经网络方法的企业信用风险失真判定

虚假信息的发布导致企业信用风险出现失真现象,如何还原企业信用违约真实水平、寻找信用风险失真校准方法是国内外理论与实务界研究的热点。本文在综合考虑虚假信息的多维性与时序特征的前提下,以Hodrick-Prescott(HP)滤波为基础设计了信息数据降维方法,兼顾企业自身和同行业双重因素对企业信用风险失真的影响,建立了多样本多维指标时间序列的神经网络模型对企业信用风险失真进行判定,实证分析结果进一步验证了该模型的有效性。     

Consumer views of self-service technologies

This study examined how customers perceived and classified a set of 12 self-service technologies (SSTs) based on multidimensional scaling. The authors describe first, how the classifications developed by Lovelock are perceived by consumers and then, how the individual SSTs map onto those classifications. Results of the study show that 67% of the variance in classification is explained by two dimensions of customization/standardization and separability/inseparability. The authors also propose a typology for the SSTs based on their groupings in the classification framework. The authors discuss the managerial implications of the findings and suggest directions for future academic research.     

Multidimensional Poverty and Material Deprivation with Discrete Data

We propose a characterization of a popular index of multidimensional poverty which, as a special case, generates a measure of material deprivation. This index is the weighted sum of the functioning failures. The important feature of the variables that may be relevant for poverty assessments is that they are discrete in nature. Thus, poverty measures based on continuous variables are not suitable in this setting and the assumption of a discrete domain is mandatory. We apply the measure to European Union member states where the concept of material deprivation was initiated and illustrate how its recommendations differ from those obtained from poverty measures based exclusively on income considerations.     

信息运行多维管理平台在我国电网企业中的应用

伴随着我国改革的不断深入,我国电网企业信息化建设已刻不容缓,信息运行多维化管理平台实现了电网企业各级单位之间的纵向数据交换,它采用了基于面向服务、分布式对称的SOA应用体系架构,支持业务系统统一接入服务、多种数据交换方式、多种数据交换格式、灵活的交换控制和调度管理机制。该平台作为国家电网公司SG186工程一体化平台的重要组成部分,成功的实现了我国电网公司信息系统的纵向贯通。     

对创新教育历史与现实的多维审视

本文基于历史和现实两个维度，通过对中西方创新教育多层面的理性审视，认为创新教育是任何一个民族和国家得以振兴和发展的基本原动力，并在此基础上就世纪之交的当代中国创新教育的实施提出了可资参考的建设性意见。     

The Consequences for a Monopolistic Insurance Firm of Evaluating Risk Better than Customers: The Adverse Selection Hypothesis Reversed

This article models a situation in which a monopolistic insurer evaluates risk better than its customers. The resulting equilibrium allocations are compared to the consequences of the standard adverse selection hypothesis. On the positive side, they exhibit the property that low-risk people are better covered than higher-risk people. On the normative side, the article shows that there are two reasons for avoiding excessive risk classification: one is the classical destruction of insurance possibilities, and the other comes from the distrustful atmosphere generated by new asymmetric information.