天津市企业信息资源管理状况调查与分析

在研究企业信息资源管理内容的基础上,调查了天津市企业信息资源管理现状,指出天津市信息化建设基础虽然在全国处于领先地位,但与北京、上海等信息化建设较好的省份相比还存在一定差距,如全社会对信息化工作战略地位认识较低、网络结构不尽合理、信息资源开发滞后等。因此,应采取相应策略加以改善。     

农业国内支持政策研究综述

农业的弱质性和多功能性为农业国内支持政策提供理论依据,各国普遍对农业实施农业国内支持政策。由于OECD成员国在基期国内支持水平很高以及WTO农业协议与新一轮WTO谈判的约束,国外普遍利用定量的方法研究农业支持的消减、农业谈判、欧盟扩大和农业补贴的效率等国内支持相关问题;国内有关农业国内支持的研究一般停留在定性方面,农业国内支持的定量研究尤其是优化研究很少。因此,研究如何不断提高我国农业国内支持水平,优化国内支持结构,建立合理的农业国内支持政策体系,具有一定的理论意义与实践价值。     

青海玉树地震应急征用与补偿情况的调查分析

现实中由于自然灾害事发突然,灾害发生初期和灾后重建时期政府主导的应急征用与补偿不可避免。文章以"4·14"玉树地震为例,在问卷法、访谈法的基础上,统计分析了地震中的应急征用与补偿情况、政策知晓情况等,建议国家应急管理部门考虑民族地区应急征用的需求和补偿的特殊性,尽早制定出相关的应急征用与补偿法律、法规,切实在公共危机管理中发挥政府作用,保障被征用者权利与权益。     

Informal Credit,Usury, or Support? A Case Study for Vietnam

The informal credit market remains an important source of finance for the poor in Vietnam. Yet, little if anything is known about the impact of informal loans on poverty and inequality, and the Vietnamese government has no policies towards the informal credit market. In the present study paper, we found that the effect of credit from friends and relatives on per capita expenditure is positive but not statistically significant. Meanwhile, the effect of credit from private moneylenders on per capita expenditure is positive and statistically significant. Borrowing from private moneylenders increases per capita expenditure of households by around 15%. Further, it reduced the poverty incidence of borrowers by around 8.5 percentage points in 2006 and significantly decreases the poverty gap index and the poverty‐severity index. Borrowing from private moneylenders also reduces expenditure inequality, albeit at a very small magnitude.     

基于EM-NB算法的网络调查缺失数据处理方法

将最大期望值算法(EM)与朴素贝叶斯算法(NB)相结合,提出EM-NB算法来填补网络调查中的缺失数据。对比基于处理后的完备数据集的分类统计结果与基于纸质调查得到的分析结果,结果显示,利用EM-NB算法处理缺失数据后的网络调查问卷与纸质调查问卷可得到一致的调查结果。这表明EM-NB算法是一种有效的处理网络调查中缺失数据的方法。     

基于内部增值观的本科教育质量调查研究（一）——本科教育质量结构性问题

基于教育质量评价的内部增值观,在借鉴美国大学生学习投入调查（NSSE）以及汉化版NSSE-China的的基础上,编制了“大学学生学习与发展调查问卷”,以内蒙古财经大学为例,通过随机抽样,开展了大学生学习性投入的调查研究.调查内容涵盖反映本科教育质量的五大可比性指标——学业挑战度、主动合作学习水平、生师互动、教育经验丰富度、校园环境支持度.通过对1541个有效数据的分析并与全国常模进行比较,对本科教育质量问题进行了诊断.     

Learning from cost analyses: an illustration from the UK's New Deal for Disabled People (NDDP)

This article describes a cost analysis of an employment programme available to people claiming incapacity benefits in the UK. The NDDP was delivered locally by contracted providers called ‘job brokers’. The cost analysis found great variation among job brokers' costs and profitability, much of which seems attributable to differences in job broker size. The methods described here will be useful in evaluations wherever multiple institutions are contracted by governments to deliver services, especially when these institutions are involved in several different programmes.     

Time Series Analysis of Repeated Surveys: The State–space Approach

Cross sectional estimates from repeated surveys form a time series { y_t }. These estimates can be viewed as the sum y _t = Y _t + e _t of two processes, { Y _t }, the population process and { e _t }, the survey error process. Serial correlations in the latter series are usually present, mainly due to sample overlap. Other sources of data such as censuses, administrative records and demographic population counts are also available. The state–space modelling approach to the analysis of repeated surveys allows combining information from different sources, incorporating benchmarking constraints in a natural way. Results from these methods seem to compare favourably with those from X-11-ARIMA in filtering out survey errors.     

Employee perspectives on communication and consultation: findings from a cross-national survey

Highlighting the ongoing significance of national models of employment relations, this paper examines whether variation in communication and consultation practices between countries is reflected in employee perceptions. Drawing upon a survey of around 3,500 employees in four European countries – France, Germany, Italy and the UK – the paper explores whether workers' views on various aspects of communication and consultation are similar or different. It finds that there are certain similarities, with particular types of information and forms of communication being valued across the countries. However, differences are also identified. It is suggested that national institutions may well shape employee expectations about the nature of communication and consultation, feeding through to how satisfied they are with these processes.     

A Framework for Reconsidering the Lake Wobegon Effect

The Lake Wobegon Effect (LWE) describes the potential measurement-error bias introduced into survey-based analyses of education issues. Although this effect potentially applies to any student-report variable, the systematic overreporting of academic achievements such as grade point average is often of preeminent concern. This concern can be easily circumvented if official records data are available; however, many researchers can only access student-reported data. In this article, the authors examine whether using student-survey data in place of official records data meaningfully biases regression estimates. They motivate their contribution by noting a useful statistical feature of overreporting on bounded variables such as grade point average. Specifically, the misreports will be negatively correlated with the true grade point average, yielding a form of nonclassical measurement error that actually counteracts the bias. The authors connect this observation to reliability ratios used in labor economics, which are simple ways to adjust for attenuation bias, when needed. In two applications, we find that it is unnecessary to correct for the LWE bias because it is so small.