浅析部队网络安全保密价值

随着网络技术的普及发展和广泛应用,互联网已经成为大众生活离不开的工具,经济、文化、军事和社会活动都强烈地依赖于网络。网络安全和保密工作已成为事关国家安全、经济发展、社会稳定和军事斗争成败的重大战略性课题。     

浅析中非BIT全面保护和安全条款之适用

目前,有关非洲国家因战乱和暴力活动造成中国投资者人身和资产损害的情况不时发生。对此,因在实证研究的基础上,充分发挥中非BIT全面保护和安全条款在保护投资者免受人身损害,以及保护投资者法律权益两方面的积极作用。     

我国财政社会保障支出的差异与结构:1998～2009年

利用1998～2009年的统计数据,考察我国财政社会保障支出的总量变化和结构演进。研究显示:我国的财政社会保障支出在1998年以后出现明显上升,但总体水平仍相对滞后;对社会保障的各种补助支出已成为财政社会保障支出中最主要的组成部分;我国的财政社会保障支出存在着明显的地区差距和城市偏向。应着力提高社会保障支出占公共财政的比例,优化财政社会保障支出的项目结构等,确保财政社会保障的顺利开展。     

Does retail type matter? Consumer responses to channel integration in omni-channel retailing

A critical issue faced by marketing practitioners today is orchestrating strategies that provide a smooth consumer experience in an omni-channel environment. The extant literature offers limited guidance on managing the consumer journey in an omni-channel environment across different retail types. Using the S–O-R framework as its basis, this study generates novel insights by examining how different types of retailers influence consumer perceptions of channel integration (CPCI) as well as consumer empowerment, trust, satisfaction, and patronage intention. Data from 736 consumers was collected using purposive sampling to target those who interact with retailers from high-end specialty stores, department stores, and hypermarkets. The data was then analysed using partial least squares structural equation modelling (PLS-SEM). We find that consumers from high-end specialty stores, hypermarkets, and department stores have different perceptions when patronising the omni-channel retail business. The implications of the study are discussed and suggestions for future research are presented.     

电子政务建设策略

电子政务是借助电子信息技术进行的政务活动,政府机构运用现代计算机和通信网络技术,将政府内部和外部的管理和服务职能通过整合、重组、优化,打破时间、空间以及部门分隔的制约,为社会公众以及政府自身提供一体化的、高效的、优质的管理和服务。电子政务正成为我国信息化建设的新热点,在热潮中,我们更应认真思考电子政务的建设策略,防止决策失误。     

中国农产品进出口与农业产业安全预警分析

农业产业安全是指农业的生存与发展不受到外来势力根本威胁的状态.本文采用农业产业安全评价指标体系与预警界限对农业产业安全进行预警分析,在预测中国农产品进出口额及粮食供需状况的基础上,对本世纪初中国农业产业安全度的情况进行了估算.     

我国社会保障支出的地区差异分析

文章首先运用GE指数分解法,分析我国社会保障支出区域差异及贡献率;然后运用GINI系数分解法,分析社会保障各项支出对总体差异的贡献率。结果表明:三大区域总体、区域内及区域间的差异基本呈下降趋势,期间略有起伏,但区域内差异远远大于区域间差异;东部、中部和西部地区差异变动趋势不一致,且对总体差异的贡献率差别较大;社会保障各项支出的贡献率差异较大,其中社会保障补助支出成为总体差异的主体因素。文章最后对实际测算结果作进一步分析,并提出相应的政策建议。     

Predicting credit card fraud with Sarbanes‐Oxley assessments and Fama‐French risk factors

This research developed and tested machine learning models to predict significant credit card fraud in corporate systems using Sarbanes‐Oxley (SOX) reports, news reports of breaches and Fama‐French risk factors (FF). Exploratory analysis found that SOX information predicted several types of security breaches, with the strongest performance in predicting credit card fraud. A systematic tuning of hyperparamters for a suite of machine learning models, starting with a random forest, an extremely‐randomized forest, a random grid of gradient boosting machines (GBMs), a random grid of deep neural nets, a fixed grid of general linear models where assembled into two trained stacked ensemble models optimized for F1 performance; an ensemble that contained all the models, and an ensemble containing just the best performing model from each algorithm class. Tuned GBMs performed best under all conditions. Without FF, models yielded an AUC of 99.3% and closeness of the training and validation matrices confirm that the model is robust. The most important predictors were firm specific, as would be expected, since control weaknesses vary at the firm level. Audit firm fees were the most important non‐firm‐specific predictors. Adding FF to the model rendered perfect prediction (100%) in the trained confusion matrix and AUC of 99.8%. The most important predictors of credit card fraud were the FF coefficient for the High book‐to‐market ratio Minus Low factor. The second most influential variable was the year of reporting, and third most important was the Fama‐French 3‐factor model R² – together these described most of the variance in credit card fraud occurrence. In all cases the four major SOX specific opinions rendered by auditors and the signed SOX report had little predictive influence.     

我国农作物秸秆资源化利用的经济分析:一个理论框架

农作物秸秆是生物质资源的主要来源之一,与之相关的技术开发目前已成为生态农业和可持续发展的一个重大课题。农作物秸秆资源化利用有肥料、燃料、饲料、工业原料和食用菌基料等多种途径和技术路径,这些利用方式和技术的经济可行性如何,引起了研究者越来越多的关注。文章提供了一个对我国农作物秸秆资源化利用行为进行经济分析的理论框架。在该框架中,农作物秸秆资源化利用的总收益包括秸秆产品的市场价值、秸秆资源使用节约的相关资源性产品价值以及秸秆产品使用产生的环境收益;农作物秸秆资源化利用的总成本则由秸秆的收集、运输、储藏、加工以及机会成本构成。最后,文章对农作物秸秆资源化利用的公共政策等问题进行讨论。     

影响能源法功能选择的若干动因分析

法的功能具有客观性,法的功能选择的状况直接影响着法的价值的实现。法律的功能范围是不断发展完善的,这要求法的主体应该依照不同的社会状况选择适合社会现实的法的功能组合才能实现法的价值追求。现实中,为保证能源安全目标的全面实现,立法者需要综合考虑影响能源法功能选择的思想、实践及法律等基本因素。