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71.
Trading systems differ in their degree of transparency, here defined as the extent to which market makers can observe the size and direction of the current order flow. We investigate whether greater transparency enhances market liquidity by reducing the opportunities for taking advantage of uninformed participants. We compare the price formation process in several stylized trading systems with different degrees of transparency: various types of auction markets and a stylized dealer market. We find that greater transparency generates lower trading costs for uninformed traders on average, although not necessarily for every size of trade. 相似文献
72.
73.
生态价值观是在全球性的环境保护运动和生态伦理学的基础上产生和发展起来的,在各方面引起了深刻的影响。要实现可持续发展,必须树立科学的生态价值观,即在人与自然的关系上,坚持以人为本,在全面、协调、可持续的基础上,处理好生态环境与人类生存、发展之间的关系。 相似文献
74.
强化高校基建财务管理工作的探讨 总被引:2,自引:0,他引:2
随着高校基本建设规模和投资金额的不断加大,投资模式趋向多元化,强化基建财务管理工作是形势发展的需要。坚持以计划为龙头,以合同为抓手,抓好工程开工前、工程建设中、工程竣工后的财务管理和监督三个重要环节。建立和强化切实可行的基建财务管理制度,提高基建财务管理水平,更好地为工程建设服务。 相似文献
75.
PIETRO REICHLIN 《Journal of Money, Credit and Banking》2018,50(5):1073-1094
I revisit the example of non‐neutral anticipated monetary expansions used in Lucas (1995) Nobel Prize Lecture, within a broader definition of monetary policy tools, such as paying a nominal return on money or using open market operations, to show that money expansions increase output by reallocating consumption across heterogenous individuals and time periods. This result survives with noninterest‐bearing cash when the latter does not generate relevant distortions. 相似文献
76.
MATLAB具有强大的功能和实用性,文章结合实例阐述了将其应用于《通信原理》教学中,不仅能解决传统教学中存在的弊端,提供教学效率和质量,还可激发学生的学习兴趣,培养学生的动手能力和创新能力。 相似文献
77.
This paper considers an optimal taxation environment where household income is private information, and the government randomly audits and punishes households found to be underreporting. We prove that the optimal mechanism derived using standard mechanism design techniques has a bad equilibrium (a tax riot) where households underreport their incomes, precisely because other households are expected to do so as well. We then consider three alternative approaches to designing a tax scheme when one is worried about bad equilibria. 相似文献
78.
MARCO FARAVELLI 《Journal of Public Economic Theory》2011,13(1):1-22
This paper considers a public good game with heterogeneous endowments and incomplete information affected by extreme free riding. I overcome this problem through the implementation of a deterministic contest in which several prizes may be awarded. I identify a monotone equilibrium, in which the contribution is strictly increasing in the endowment. I prove that it is optimal for the social planner to set the last prize equal to zero, but otherwise total expected contribution is invariant to the prize structure. Finally, I show that private provision via a contest Pareto‐dominates public provision and is higher than the total contribution raised through a lottery. 相似文献
79.
Antonio DI Cesare 《Economic Notes》2006,35(1):121-150
This paper analyses the ability of credit default swap (CDS) spreads, bond spreads and stock prices to anticipate the decisions of the main rating agencies, regarding the largest international banks. Conditional on negative rating events, all the three indicators show significant abnormal changes before both announcements of review and actual credit rating changes, but rating actions still seem to convey new information to the market. Results for positive rating events are less clear‐cut with the market indicators generally showing abnormal behaviours only in conjunction with the events. As for the predictive power of the financial indicators examined, the CDS market is particularly useful for negative events and stock prices for positive events. However, all indicators also send many false signals and are to be interpreted with care. 相似文献
80.
为促进废旧家电回收利用,提出一种基于多目标满意规划的废旧家电回收站选址方法。考虑到回收企业和家电用户对回收站选址的不同要求,建立了追求企业总费用最小化和用户综合运送满意度最大化的多目标满意规划模型。该模型可以确定回收站的开设位置及其服务用户,有助于保护用户运送废旧家电的积极性。为便于模型应用,给出了基于满意优化理论的模型解算方法,通过实验验证了模型和算法的有效性。在实验过程中,比较了分别利用儿何平均式和算术平均式表达用户综合运送满意度的模型解算结果,结果表明,几何平均式更有利于废旧家电的足量回收。 相似文献