我国省级区域的人均碳排放研究

结合我国各省级区域发展不平衡的现状,将中国分为东、中、西、东北四大区域,以人均碳排放原则作为国家分配给各省级区域碳排放配额的依据.运用最小二乘法和Eviews软件对人均收入和人均碳排放的关系进行分析,以期为各省级区域的碳排放配额分配提供参考.     

生态产业链网结构的协同收益分配研究

生态产业链网结构中节点企业之间通过副产品交换等协同生产创造出新增收益,本文从协同的角度将协同收益分配问题引入到生态产业链网结构的研究领域。构建了包含生态技术水平、生态贡献、投入水平和承担的风险四个影响因素的分配因子,以蒙西工业园区中的二氧化碳生态产业链为例,探讨了该分配因子的实际应用。     

主权财富基金投资与东道国警惕--基于违背承诺的声誉模型分析

基于主权财富基金一次违背承诺将被永久性禁止进入东道国投资的前提,通过构建声誉模型,研究了主权财富基金与东道国的投资博弈关系,以指导我国主权财富基金投资实践。研究表明：在较为现实的假定条件下,主权财富基金是否违背承诺取决于其短期收益和长期机会成本的大小;同时,进入东道国的投资动机越强烈,主权财富基金越不容易进入东道国市场：而东道国对主权财富基金的警惕程度则受制于主权财富基金的风险偏好程度、让渡价值比率、投资效用贴现率、投资风险,以及主权财富基金在东道国期望获得的投资收益增长率等因素,东道国政府对主权财富基金设置投资壁垒和障碍对双方都不利。     

委托资产管理与公募基金利益输送风险的防范与控制

随着基金业的快速发展,基金公司将会涉及委托资产管理业务,面临委托资产管理与公募基金利益输送的问题.本文在比较委托资产和公募基金特性,分析利益输送的动因、代价和表现形式等的基础上,提出委托资产管理与公募基金利益输送风险的具体的防范与控制措施.     

Generalizations of Mathisen's median test for comparing several treatments with a control

A distribution-free test for comparing several treatments with a control is proposed for one-way classified data. It is advantageous to use the test in life-testing experiments where testing time is expensive. The proposed test has a shorter expected duration than a previously proposed test by Slivka(1970). The optimal allocation of the experimental units to the treatments for two situations are given. In a simulation study the power of the test is compared with the power of Slivka's test. An extension of the test for two-way classified data is given     

Curve prediction and clustering with mixtures of Gaussian process functional regression models

Shi, Wang, Murray-Smith and Titterington (Biometrics 63:714–723, 2007) proposed a Gaussian process functional regression (GPFR) model to model functional response curves with a set of functional covariates. Two main problems are addressed by their method: modelling nonlinear and nonparametric regression relationship and modelling covariance structure and mean structure simultaneously. The method gives very good results for curve fitting and prediction but side-steps the problem of heterogeneity. In this paper we present a new method for modelling functional data with ‘spatially’ indexed data, i.e., the heterogeneity is dependent on factors such as region and individual patient’s information. For data collected from different sources, we assume that the data corresponding to each curve (or batch) follows a Gaussian process functional regression model as a lower-level model, and introduce an allocation model for the latent indicator variables as a higher-level model. This higher-level model is dependent on the information related to each batch. This method takes advantage of both GPFR and mixture models and therefore improves the accuracy of predictions. The mixture model has also been used for curve clustering, but focusing on the problem of clustering functional relationships between response curve and covariates, i.e. the clustering is based on the surface shape of the functional response against the set of functional covariates. The model is examined on simulated data and real data.     

公司控制权配置:模型、特征与效率性选择研究

公司控制权配置的治理创新必须与全球化的资源配置机会及效率竞争大背景相协调。本文基于法律制度确认的权利依据,构建了公司控制权配置的综合模型,分析了由模型得出的基础性组合模式及其特征,并从效率与垄断、效率与竞争以及效率与代理等视角对基本组合模式进行了探讨和选择,为公司控制权的配置改革提供了一个基本框架。     

Time allocation of one- and two-parent mothers

Using data from one- and two-parent households with two children in rural and urban areas of California, this study analyzes time allocation decisions in market work, household work, and leisure activities among single and married mothers. Results of the seemingly unrelated regression procedures indicate that family structure affects time in household work but not market work or leisure activities. Of the socio-demographic variables, only day of the week explains time allocation to household work, market work, and leisure activities among single and married mothers.This research has been supported by the United States Department of Agriculture through the Georgia Agricultural Experiment Station under Southern Regional Project S-206.Teresa Mauldin is an Assistant Professor and Carol B. Meeks is an Associate Professor in the Department of Housing and Consumer Economics, the University of Georgia, Athens, GA 30602. Dr. Mauldin received her Ph.D. from The Ohio State University and is interested in time use, economic well-being of individuals and families, and family structure. Dr. Meeks also received her Ph.D. from The Ohio State University and her research interests include time use, family structure, and economic aspects of housing.     

基于金融功能观的我国国有银行改革范式转换

审视中国国有银行制度变革历程我们会发现,基于"机构范式"的改革似乎已走到尽头.我们需要以"功能范式"来审视中国的国有银行改革,并以此指导下一步的金融体制改革,使其更好地促进金融和经济的协调发展.基于功能范式,我国国有银行改革的逻辑起点应该是银行作为金融中介最大可能地实现其功能,改革应从国有银行所处的系统环境和经济目标出发,重视国有银行与外部环境间的功能耦合关系,而不是仅仅局限于提高国有银行自身的效率.     

Optimal treatment allocation and study duration for trials with discrete-time survival endpoints

Studies on event occurrence may be conducted in experiments, where one or more treatment groups are compared to a control group. Most of the randomized trials are designed with equally sized groups, but this design is not always the best one. The statistical power of the study may be larger with unequal sample sizes, and researchers may want to place more participants in one group relative to the other due to resource constraints or costs. The optimal designs for discrete-time survival endpoints in trials with two groups, where different proportions of subjects in the experimental group are taken into account, can be studied using the generalized linear model. Applying a cost function, the optimal combination of the number of subjects and periods in the study and the optimal allocation ratio can be found. It is observed that the ratio of the recruitment costs in both groups, the ratio of the recruitment cost in the control group to the cost of obtaining a measurement, the size of the treatment effect, and the shape of the survival distribution have the greatest influence on the optimal design.