The impact of job security on job satisfaction in economic contractions versus expansions

Job security, often measured using the perceived risk of job loss in the near future, is a significant determinant of job satisfaction. We posit that the impact job security has on job satisfaction is not only a function of how likely it is that a worker loses a job but also how likely it is that a worker could find another. The effect this has on worker job satisfaction then is different depending on whether perceived job loss occurs (or not) when job openings are scarce or when job openings are plentiful. We use difference-in-differences analysis of the 1997 and 2008 waves from the National Study of the Changing Workforce to show that three measures of job security increase private sector worker job satisfaction, and reduce worker incentives to quit, more when job openings are relatively scarce (during contractions) than when job openings are relatively plentiful (during expansions). We find that our results are strongest among less-educated workers.     

解决好农民工问题的经济学思考

由于长期受二元经济结构的束缚,农民工这一社会群体一直处在产业的边缘、城乡的边缘、体制的边缘。因此,要解决好农民工问题,就必须打破二元经济结构,在深化户籍制度改革、建立城乡统一劳动力市场、建立健全农民工社会保障体系等方面加大力度。     

借鉴国际经验完善武汉市中低收入群体住房保障制度

为解决中低收入阶层住房问题,美国等国家和地区制定了一系列行之有效的住房保障政策,积累了许多经验,对我国解决中低收入群体住房有很多启示,借鉴他们的先进经验,对完善武汉市中低收入群体住房保障制度提出了具体建议。     

电子商务中网络隔离技术的应用

电子商务内部网络涉及大量的企业机密信息,因而安全问题成了电子商务的关键问题。网络物理隔离作为一种更彻底、更安全的网络安全技术,在电子商务中得到了较广泛的应用。本文介绍了网络隔离技术的原理,并提出了3种电子商务中网络隔离解决方案。     

Understanding consumers' perspectives on food labelling in India

This study aims at identifying the factors influencing consumers' perception on food labelling and its impact on food purchase decision making, through personal interviews of 631 respondents using a structured questionnaire. To analyse the consumers' perceptions on food labelling, factor analysis has been carried out to identify the underlying dimensions among a set of food labelling attributes using the principal component analysis. Based on factor analysis, four sets of components/factors have emerged, that is, (i) serving method; (ii) quality and nutrition; (iii) production and storage; and (iv) product identification, which explain 66.271% of the variance. Logit regression analysis indicates that among the socio‐demographic indicators, the estimated coefficients for gender, education, income and location of residence are statistically significant. Similarly, information on quality and nutrition, production and storage processes, and basic information of the product is found to be significant, implying that these factors are more likely to influence the use of food labels in making informed purchase decisions by the consumers. The findings of the study give practical insights on food labelling issues for the food processors and policy makers.     

贸易全球化与转轨国家贸易安全研究

经济全球化和贸易自由化是当今世界经济发展的主流,转轨国家在积极融入经济全球化的进程中面临着国家经济安全的挑战。本文通过分析经济化与转轨国家经济安全的相关性及其影响,试图找出产生消极影响的症结所在,更好地提升国家的整体经济实力。     

担保物权善意取得的构造机理

担保物权善意取得的构造机理包括体系机理、理论机理、价值机理、要件机理和效力机理,善意取得制度是适应商品经济发展需要而产生的一项交易规则,它涉及民法所有权保护与交易安全的衡量。善意取得适用于动产所有权领域,但是否适用于担保物权领域,各国立法规定不一,学界亦存在不同见解。     

加强自主创新 保障产业安全

本文认为,我国资金依存度、出口贸易依存度和资源依存度比较高,严重制约着产业安全,同时,依靠廉价劳动力支撑产业发展,也危及产业安全,而创新能力低,产业发展后劲不足,是导致产业不安全的根本原因.文章提出,要形成产业持续竞争力,保持持续增长空间,必须在自主创新上有大的突破,把建立创新型国家、培育创新型企业作为保障产业安全的根本举措,把建立产学研技术创新战略联盟作为推进自主创新的战略措施,把建立企业技术创新服务平台和创新技术方法作为战略突破口,把引进和培养优秀人才作为战略关键,把完善和落实自主创新的各项政策作为产业安全的战略保障,建立以企业为主体的技术创新体系,大幅提升我国企业自主创新能力,实现创新驱动发展.     

Consumer Preferences for ‘Localness’ and Organic Food Production

While organic food is based on well-defined production criteria, the criteria for ‘local’ food are less clear. This study investigates the preferences and trade-offs of distinct consumer segments relative to organic production and several dimensions of local food (sales channel, size of company, and geographical location of animals used in the production). The analysis is based on a quantitative survey of 505 Danish consumers and a choice experiment involving beef salami. Data were analyzed in a principal component and a latent class analysis. We identify five consumer segments whose preferences for organic and local product attributes differed substantially. Most respondents considered geographical proximity in the raising of cattle to be the most important attribute and a third of the consumers were willing to pay a premium for organic salami. The segmentation provides more detailed information about stated consumer behavior than what is typically elicited when considering only average consumer behavior.     

无线网络安全隐患与防范策略探析

自21世纪以来,计算机通信网络技术得到飞速的发展,原来是有线网络的天下,而现在无线网络也已经进入了寻常百姓家。无线网络不仅方便了人们的网络生活,也简洁了线路分布所造成的空间分布麻烦,但这同时也为那些“黑客”们提供了便利,尤其是对于私接无线路由器等问题,都是无线网络所要面临的安全隐患。如何在技术上有更进一步的发展,有效的保护我们的无线网络,这是本文所要探析的主要问题。