Parameter measures of skewness

Several different measures of skewness are commonly used in place of γ₁, the third central moment divided by the cube of the standard deviation. The numerical values of these measures are compared in this paper for members of the gamma, lognormal or Weibull family of distributions and shown to vary considerably in most cases even when skewness and kurtosis are moderate.     

Distance equalizers

Distance equalizers are introduced as empirical measures of central tendency that make distances to univariate data as similar as possible. These measures are made precise by means of various so-called fluctuation functions which account for distances in different ways. Distance equalizers differ from the mean as well as from the median. Also, distance equalizers relate to dispersion measures. Algorithms and closed-form solutions for special cases are given. Some computations require to perform multiextremal function minimization. Distance equalization is extendable to data from higher dimensions and to function quantization in signal processing.     

Multivariate Kendall's tau for change‐point detection in copulas

Statistical procedures for the detection of a change in the dependence structure of a series of multivariate observations are studied in this work. The test statistics that are proposed are $L_1$ , $L_2$ , and $L_{\infty }$ distances computed from vectors of differences of Kendall's tau; two multivariate extensions of Kendall's measure of association are used. Since the distributions of these statistics under the null hypothesis of no change depend on the unknown underlying copula of the vectors, a procedure based on the multiplier central limit theorem is used for the computation of p‐values; the method is shown to be valid both asymptotically and for moderate sample sizes. Alternative versions of the tests that take into account possible breakpoints in the marginal distributions are also investigated. Monte Carlo simulations show that the tests are powerful under many scenarios of change‐point. In addition, two estimators of the time of change are proposed and their efficiency is carefully studied. The methodologies are illustrated on simulated series from the Canadian Regional Climate Model. The Canadian Journal of Statistics 41: 65–82; 2013 © 2012 Statistical Society of Canada     

Asymptotic results for random coefficient bifurcating autoregressive processes

The purpose of this paper is to study the asymptotic behaviour of the weighted least-squares estimators of the unknown parameters of random coefficient bifurcating autoregressive processes. Under suitable assumptions on the immigration and the inheritance, we establish the almost sure convergence of our estimators, as well as a quadratic strong law and central limit theorems. Our study mostly relies on limit theorems for vector-valued martingales.     

生态治理中地方与中央政府的“智猪博弈”及其破解

在生态治理中,地方政府面临着高成本、低收益的问题,导致其缺乏执行相关政策的积极性,从而与中央政府形成了经济学上所讲的"智猪博弈"的局面.破解"智猪博弈"需要科学划分中央与地方政府在生态治理上的事权财权,全面引入"绿色GDP"绩效评价指标体系,逐步实现"区域限批"制度化,不断完善生态治理问责制度,进一步健全生态补偿机制.     

从《红与黑》到《红黑》

通过比较丁玲1920年代参与编辑的《中央日报·红与黑》文艺副刊、《红黑》月刊的编辑宗旨、运作策略,探讨了商业背景下二者之间内在承继与嬗变过程及其原因。     

广州构建双港双高交通体系的策略研究

为了支撑广州国家中心城市的定位,必须制定相应的区域交通发展战略。通过交通现状调查,机遇挑战分析,提出了构建双港双高交通体系的发展战略,即：以世界级的空港、海港为龙头,以内外衔接的高速铁路、高速公路网络为支撑,建设开放的现代综合交通运输体系,成为立足珠三角、服务全国、面向世界的南方交通中心。     

古代丝绸之路文学概述

古代丝绸之路文学是丝绸之路学的一个分支学科。为进一步廓清丝绸之路文学的发端、演进和成熟的全过程,拟从文献学、比较学和传播学的视角对其进行多方面的考察。经过对先秦至明清时期沿丝绸之路一带的中外各国及地区内所产生的文学作品和发生的文学现象进行研究,研究认为,古代丝路文学的形成与发展有着特殊的历史和地理背景,依据它的这种特殊性,大致可将其分为散文、诗赋、说唱、戏剧、小说、神话传说及其他共七类。古代丝路文学的整理和研究对于世界和中国文学都有着特殊的意义。     

中国地方保护主义及其治理机制

该文分析了中国地方保护主义的制度根源,并探讨了保护主义的界定标准及其防治机制。笔者认为,要保证大国的法治统一并防止地方保护主义,必须划分中央和地方的权力界限,中央和地方各司其职;中央不再包揽全部的立法权,但是必须将其分内的事情管好。因此,只有在限制中央立法权的基础上,才可能在有限的权力范围内无条件地实施中央至上原则,从而保证国家法治统一并防止地方保护主义。     

本土性:中亚陕西村移民的经济发展模式

中亚陕西村移民是陕甘回民起义失败后民间自发的一次大规模境外生存移民,其移民经济在发展过程中呈现鲜明的本土性：陕西村早期的农业开发沿用了关中地区的农垦模式,畜牧经营也保留了在陕时农牧结合的传统,手工业商业经营饱含关中传统工艺特点和民族特色,对外经济文化交流深怀浓重的故土情结,主要同中国、特别是陕西进行交流往来,整个移民经济发展呈现浓郁的陕西关中特色。