Inference for the Generalized Normal Laplace Distribution

The generalized normal Laplace distribution has been used in financial modeling because of its skewness and excess kurtosis. To estimate its parameters, we use a method based on minimizing the quadratic distance between the real and imaginary parts of the empirical and theoretical characteristic functions. The quadratic distance estimator (QDE) obtained is shown to be robust, consistent, and with an asymptotically normal distribution. The goodness-of-fit test statistics presented follow an asymptotic chi-square distribution. The performance of the QDE is illustrated by simulation results and an application to financial data.     

Imaginary friends: migrants' emotional accounts about friends outside Australia

Migration can have emotional costs for migrants, whose face‐to‐face friendships are ruptured. This article explores the ways that migrants managed their emotions towards old friends after migration. Excerpts from semi‐structured interviews with 20 skilled migrants are analysed to show the stoic, fantasy and disengagement accounts used to deal with ruptured relationships. Each account demonstrates a different type of emotion work, which assisted migrants to cope with the loss of friends. The article discusses how the ways that migrants thought about their friends were affected by structural aspects such as geographic and temporal distance, and normative expectations such as the obligation for the migrant to return home. The article provides insight into the personal costs of migration and highlights the loss and coping that can follow, whilst demonstrating the complexity of friendship over time and geographic distance.     

Risk Premiums and Benefit Measures for Generalized-Expected-Utility Theories

Standard tools for the analysis of economic problems involving uncertainty, including risk premiums, certainty equivalents and the notions of absolute and relative risk aversion, are developed without making specific assumptions on functional form beyond the basic requirements of monotonicity, transitivity, continuity, and the presumption that individuals prefer certainty to risk. Individuals are not required to display probabilistic sophistication. The approach relies on the distance and benefit functions to characterize preferences relative to a given state-contingent vector of outcomes. The distance and benefit functions are used to derive absolute and relative risk premiums and to characterize preferences exhibiting constant absolute risk aversion (CARA) and constant relative risk aversion (CRRA). A generalization of the notion of Schur-concavity is presented. If preferences are generalized Schur concave, the absolute and relative risk premiums are generalized Schur convex, and the certainty equivalents are generalized Schur concave.     

SMALL AND PSEUDO-SMALL SETS FOR MARKOV CHAINS

In this paper we examine the relationship between small sets and their generalisation, pseudo-small sets. We consider conditions which imply the equivalence of the two notions, and give examples where they are definitely different. We give further examples where sets are both pseudo-small and small, but the minorisation constants implied by the two notions are different. Applications of recent computable bounds results are given and extended. We also give a result linking the ideas of monotonicity and minorisation. Specifically we demonstrate that if a non-monotone chain satisfies a minorisation condition, and furthermore is stochastically dominated by a monotone chain which satisfies a Lyapunov drift condition, then a probability construction exists which incorporates both the bounding process and the minorisation condition.     

On the euclidean distance between biased estimators

The purpose of this paper is to extend the results achieved by Hsuan (1981) to a wide class of biased estimators. It is shown that in the case of multicollinearity ridge and Iteration estimator can be made very close to the principal component estimator whereas the shrunken estimator does not have this property.     

文化促进中国与东盟的经贸繁荣--兼论壮侗语民族的重要地位

根据国际经贸距离说,阐明借助文化促进中国—东盟自由贸易区的建设与繁荣,借助壮侗语民族连接中国与东盟的重要意义。     

现代远程教育在民族教育发展中的战略优势

我国是多民族国家,建设小康社会,显然包括同属于中华民族的55个少数民族,少数民族地区政治、文化、经济的健康发展对实现全面小康具有举足轻重的作用。教育兴,民族兴,如何结合民族地区特点有效开展民族教育,成为新时期民族教育发展的重大问题,而远程教育对解决这一问题具有明显的战略优势。     

修辞的解构及其审美心理探微

修辞的解构是打破语言规范和常理的一类变异用法 ,它是修辞运用中的普遍现象 ,并具有语用和审美功能。同时文章剖析了其审美心理生成原理 ,推定“距离产生美”是其解构的心理生成机制     

线性模型中参数估计的影响分析

研究数据对参数估计的影响是一个重要的问题。找出那些对回归分析影响很大的数据是非常有理论价值和应用价值的。本文主要介绍这方面的基本结果。     

试论翻译的“距离”特质与读者接受

本文探讨了翻译的"距离"特质,指出文化距离是读者接受译作的关键。译者在着手翻译时要"选择"读者,"适应"读者,立体关照读者,提升与"苛求"读者的期待视野,跨越文化距离,争取更大的读者群,扩大译作的接受范围,延长译作的共时和历时寿命。