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基本的门禁系统由读卡器、控制器、卡片、电控锁及其他辅件组成。就整个系统的稳定性而言,任何一个部分都是至关重要的,任何一个部件的不稳定,都会影响到整个系统的稳定性。但就安全性而言,读卡器和卡片应该是最重要的,卡片就好像一把“电子钥匙”,如果钥匙容易被别人复制,整个门禁控制系统就没任何安全性可言了。卡片识别技术的发展大概经历了以下几个阶段:磁卡→接触式智能卡→感应卡→非接触式智能卡。非接触式智能卡和感应卡虽然都是采用RFID,都具有免接触、使用方便的特点。但,他们之间还是有很多的不同,如下表所示。从技术的发展趋… 相似文献
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Utilizing the 2013 Survey of Consumer Finances data, the present study aims to examine the role of the Internet in carrying a credit card balance among US households. The central question of this study is whether or not households with Internet access have more favorable attitudes toward incurring more credit card balance. This study further investigates whether education, income, gender, age, race, etc., make any differences in carrying credit card debt when households have access to the Internet. Our results with the Tobit model show that having access to the Internet increases the probability of carrying a positive credit card balance by 4% to 5% compared to those who do not have access to the Internet. This result does not apply to older Americans. Our results further indicate that education decreases the probability of carrying a positive credit balance for households that have access to the Internet, while income and liquid assets may have little positive effect on that probability. The results suggest that Internet leads to more debt, but education could alleviate that debt. 相似文献
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This paper examines whether Internet access positively affects credit card balances. To that end, we compare the 2010 and 2013 Surveys of Consumer Finances, analyze the consistency of the results over time, and provide the rationale for any resulting differences. Using the censored techniques, our results indicate that Internet access has a positive effect on credit card balances, which suggests that consumers with Internet access are prone to higher balances compared to those without. The probability of carrying positive balances was larger in 2010 compared to 2013. Overall, the results suggest that, while the financial crisis might have contributed to higher balances in 2010, the economic recovery afterward seems to have eased the burden of credit card debt. 相似文献
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以2008~2014年上市公司为研究对象,考察转型经济环境下终极控制人性质如何影响内部控制缺陷及其修复与企业风险之间的关系。研究发现,内部控制缺陷越大,企业风险越高,但缺陷修复能显著降低企业风险;进一步研究发现,国有企业比民营企业的风险程度显著更小,但相对央企而言,地方国有企业更容易出现风险,尤其在治理环境差的地区,地方国企的风险程度显著更高。研究表明,不同的终极控制人性质导致了企业内部控制缺陷对企业风险的不同影响,这既为深化国有企业改革提供经验证据,也进一步昭示强化企业内部控制风险免疫功能的重要性与紧迫性。 相似文献
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The Credit CARD Act of 2009 was intended to prevent practices in the credit card industry that lawmakers viewed as deceptive and abusive. Among other changes, the Act restricted issuers’ account closure policies, eliminated certain fees, and made it more difficult for issuers to change terms on credit card plans. Critics of the Act argued that because of the long lag between approval and implementation of the law, issuing banks would be able to take preemptive actions that might disadvantage cardholders before the law could take effect. Using credit bureau data as well as individual data from a survey of U.S. consumers, we test whether banks closed consumers’ credit card accounts or otherwise restricted access to credit just before the enactment of the CARD Act. Because the period prior to the enactment of the CARD Act coincided with the financial crisis and recession, causality in this case is particularly difficult to establish. We find evidence that a higher fraction of credit card accounts were closed following the Federal Reserve Board’s adoption of its credit card rules, but not between May 2009, when the CARD Act was signed, and when most of its provisions became law in February 2010. However, we do find evidence that banks deteriorated terms of credit card plans at a higher rate during this period, especially lowered the credit limits. Among the survey respondents whose bank accounts were closed during that period, account holders were much more likely to close their own credit card accounts than to have them closed by their card issuers. 相似文献
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The Indonesian Social Safety Net health card program was implementedin response to the economic crisis that hit Indonesia in 1997,to preserve access to health care services for the poor. Healthcards were allocated to poor households, entitling them to subsidizedcare from public health care providers. The providers receivedbudgetary support to compensate for the extra demand. This articlefocuses on the effect of the program on primary outpatient healthcare use, disentangling the direct effect of allocating healthcards from the indirect effect of government transfers to healthcare facilities. For poor health card owners the program resultedin a net increase in use of outpatient care, while for nonpoorhealth card owners the program resulted mainly in a substitutionfrom private to public health care. The largest effect of theprogram seems to have come from a general increase in the supplyof public services resulting from the budgetary support to publicproviders. These benefits seem to have been captured mainlyby the nonpoor. As a result, most of the benefits of the healthcard program went to the nonpoor, even though distribution ofthe health cards was propoor. The results suggest that had theprogram, in addition to targeting the poor, established a closerlink between provision of services to the target groups andfunding, the overall results would have been more propoor. 相似文献
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已有丰富的文献考察了消费信贷对家庭消费和投资行为的影响,但少有研究关注其对家庭人力资本投资的影响。家庭人力资本投资对于人力资本积累、经济高质量发展至关重要。基于此,本文考察了信用卡使用对家庭人力资本投资的影响及其影响机制,主要发现如下:信用卡使用显著增加了家庭人力资本投资,且这一效应具有长期动态影响并对城市、高收入、高教育程度家庭影响更为显著,这意味着信用卡消费信贷可能会增加人力资本不平等。进一步研究发现,家庭会增加劳动力供给来应对人力资本支出的增加。机制分析表明,信用卡使用主要通过增加家庭消费投资、促进消费升级、缓解家庭预算约束三种途径促进家庭人力资本投资。在风险可控的前提下,引导消费信贷流向有利于实体经济发展的领域,可助力于消费升级与人力资本积累,从而为经济发展提供新动能。 相似文献
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本文用经济学原理来分析信用卡营销渠道行为。文章指出销渠道是一串合约,分析渠道行为应该站在合约关系的角度上来分析。在目前各大国有商业银行内部市场没有充分建立这一市场环境下,这种合约关系主要表现为一种考核关系。目前信用卡市场上存在的大量的机会主义行为实质上是信息不对称下的败德行为。因为缺乏准确的考核信息,对一线客户经理的考核指标与集体的目标不一致,造成营销渠道效率降低。应通过更加精确的考核,来解决信息不对称的问题,提高渠道效率。本文给出了具有实质意义的方案来解决目前信用卡市场上存在的大量无效卡、睡眠卡的问题,并对该方案做了深入探讨。 相似文献
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基于一卡通模型的数字化校园的构建研究 总被引:4,自引:0,他引:4
校园一卡通工程和校园网工程的建设,往往是两个相对独立的体系,终端的使用方法和界面也大相径庭,同时,一卡通的独特性,也让它在整个数字化校园中相对独立和具有局限性,如何突破这种局限?本文讨论了如何让一卡通系统更好地融合到校园网的各种应用中,构建新型的“1+X”数字化校园模式。 相似文献
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闫海 《江西金融职工大学学报》2014,(6):64-67
在国外,消费金融公司已在个人消费信贷领域形成与商业银行的个人贷款业务、信用卡业务三分天下的局面。我国消费金融公司立法始于2OO9年,2O13年《消费金融公司试点办法》对消费金融公司主要出资人、业务经营和审慎监管等规定予以修改。为保障消费金融公司发展,我国应当提升立法位阶,制定《消费金融公司条例》,完善市场准入与退出机制,加强风险的内部控制,规范金融监管制度,强化借款人权益的法律保护。 相似文献
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本文在计划行为理论的基础上,使用结构方程模型等数理统计方法,探析了消费者信用卡使用意向的影响因素,进而建构了消费者信用卡使用意向模型。研究表明,计划行为理论中信用卡态度和知觉行为控制变量对消费者信用卡使用意向有重要影响。此外,研究还进一步将消费者信用卡态度区分为便利性态度、金钱与信用态度,实证研究显示便利性态度对信用卡使用意向有重要影响,这种区分是合理的和必要的。最后,研究提出实务建议,为中国信用卡业务的完善和发展提供决策依据。 相似文献