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1.
《管理科学学报(英文)》2021,6(2):235-245
We investigate the effect of portfolio diversification on banking systemic risk, where the network effect is incorporated. We analyze three kinds of interbank networks, namely, random networks, small-world networks and scale-free networks. We show that the effect of portfolio diversification on banking systemic risk depends on interbank network structures and shock types. First, systemic risk increases first and then reduces with the increase of the level of portfolio diversification in the case of the individual shock. Second, in the case of the systemic shock, systemic risk reduces with the increases of the level of portfolio diversification. Third, banking systems with scale-free network structures are the most stable, and those with small-world network structures are the most vulnerable. 相似文献
2.
公开密钥加密技术在最近几年得到了极大的重视和发展。本文讨论了公钥加密技术的原理和实施技术,并结合公钥技术在Lotus Domino/Notes中的应用,着重探讨了Lotus系统内部用户校验和认证机制的建立和实施。 相似文献
3.
中国证券市场有效性研究 总被引:3,自引:0,他引:3
本文对有效市场理论进行了简单的阐述,研究了我国证券市场有效性的现状,对中国证券市场有效性的实证研究及检验成果进行了总结评述,分析了中国证券市场有效性欠佳的主要原因,提出了增强证券市场有效性的对策和建议。 相似文献
4.
Form, function, and finance: architecture and finance theory 总被引:1,自引:0,他引:1
At least at first glance, a bank’s customers ought to be concerned with only one thing—the price they must pay for the services they receive. Architecture beyond the merely functional ought to have no role, especially not in the modern global economy in which increasingly automated financial intermediation of all sorts appears to be approaching the ideals of pure competition and perfect efficiency. Even in these financially sophisticated times, however, symbols matter, and the message communicated by these symbols is one which cannot be communicated in any other way. It is necessary for a financial institution, and perhaps even the financial system itself, to have a strong visual presence. There is a visceral appeal of an architecturally distinguished building to the senses that speaks to us in a way that the cerebral appeal of pure information cannot. 相似文献
5.
Sylvanus I. Ikhide 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2008,76(4):586-595
This paper examines the efficiency of commercial banks in Namibia using the standard econometric frontier approach. Although two aspects of efficiency (scale and scope) receive our attention, the emphasis is on the latter which pertains to whether a firm produces as efficiently as it possibly can, given its size. Our results indicate that substantial economies of scale exist in commercial banking in Namibia. This will tend to suggest that commercial banks in Namibia can increase their efficiency by increasing their current scale of operation. The results for scope economies show that the current level of input combination does not make for maximum efficiency as sufficient scope exists for a more efficient combination of inputs. We believe this will reduce operating costs in the industry and stimulate efficiency. 相似文献
6.
对于中国社会保障税税制的设计,以企业增值税代替现行的工资总额为税基,把“增值税”作为社会统筹部分的社会保障税税基;在提出中国社会保障税设计应遵循的原则基础上,进行社会保险税税制要素设计的若干构想;最后,分析以“增值税”为税基可能出现的问题及其完善。 相似文献
7.
Hall and Miles (1990) suggest an approach of estimating default probabilities of banks using stock market information, and in this paper we apply an aggregated version of their approach to banking sectors around the world in both developed and emerging economies. We study the market’s assessment of the probability of systemic banking crises world wide over the last decade, including the Asian crisis 1997–1998. In addition, we investigate whether there is a relationship between the failure probability and institutional features of the actual banking sector. The quality of governance and the degree of law and order in a country is found to be significantly negatively related to the market based failure probabilities as is an explicit deposit insurance during periods of crisis. 相似文献
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9.
数字技术可以帮助市场主体重构组织模式,数字经济时代的金融业也因此迎来变革。本文基于2014年至2019年我国县级行政区数据,研究发现,数字金融的发展显著减缓了我国银行业金融机构实体网点的扩张势头,这种效应主要体现在股份制商业银行和城市商业银行上,并主要影响这两类银行的基层机构。同时,我们发现数字金融的发展加快了农村合作金融机构的转型和网点退出,但对国有“六大行”没有显著影响。进一步研究发现,数字金融的影响效果会随着经济发展程度提高和地区金融可得性增加而增强,但随着在位银行的市场势力提升而下降。本文为理解数字经济时代银行业的变迁提供了一定参考。 相似文献
10.
郝倩倩 《山西经济管理干部学院学报》2004,12(3):45-47
Internet的爆炸性发展,带来了全球信息化的革命,同时,还开辟出了一种新的商业交易模式,即电子商务。电子商务的推广和应用,促使银行建立网上银行,使现代银行进入全新的发展时期。本文浅析了网上银行建设的主要领域、竞争优势、发展中遇到的问题,同时提出了相应的对策、建议。 相似文献