A monetary mechanism for sharing capital: Diamond and Dybvig meet Kiyotaki and Wright

Summary. A model is presented in which banks update public records, accept deposits of fiat money and intermediate capital. I show that inside money is more liquid than outside money, increasing the turnover rates of idle capital. The model offers a simple explanation for the dual role of financial institutions: Banks are monitored and can issue nominal assets upon request, which helps them to transfer capital in sufficiently high rates and to also become intermediaries. The model shares some features with those of Diamond and Dybvig [5], and Kiyotaki and Wright [7].Received: 18 February 2003, Revised: 16 February 2004, JEL Classification Numbers: E51, G21, G24.Ricardo de O. Cavalcanti: I thank two anonymous referees, Susumu Imai, B. Ravikumar and Neil Wallace, as well as participants at the Economic Theory symposium Recents Developments in Money and Finance, and seminar participants at the Richmond Fed, Queens University, and Sabanci University for comments on an early draft. The hospitality and financial support of the Cleveland Fed Central Bank Institute and CNPq are greatfully appreciated. The authors opinions are not necessarily those of the Federal Reserve Bank of Cleveland or the Federal Reserve System.     

Lead-lag effects in the mean and variance of returns of size-sorted UK equity portfolios

We test for lead-lag effects in the mean and variance among size-sorted portfolios for the UK stock market. We construct three sets of portfolios, namely a set of size-sorted equally-weighted portfolios of different capitalization size, a set of size-sorted value-weighted portfolios of different capitalization size, and a third set of portfolios of the same capitalization size. The recently proposed Cross Correlation Function test is employed. For both sets of portfolios with different capitalization size, we find evidence of a lead effect in both the mean and the variance from large-firm portfolios to small-firm portfolios. This result does not depend on the weighting scheme used to construct portfolios, and indicates that contrarian trading strategies on large-firm portfolios are profitable. For portfolios of equal capitalization size, there is hardly any evidence of a lead-lag effect in either the mean or the variance. This suggests that the lead-lag effect is due to the difference in the capitalization size among portfolios.I wish to thank two anonymous referees for helpful comments on a previous draft of this paper. The usual disclaimer applies.ing scheme.First version received: February 2002/Final version received: May 2003     

证券公司电子商务的障碍研究

文章主要分析了证券电子商务的概念、国内外证券电子商务发展现状及模式以及中国证券电子商务的发展障碍,并对我国证券电子商务的发展前景做了初步探讨。     

Estimation of the value of the marginal product of emission in a country where emissions output is regulated — an empirical study

Emissions resulting from the production process can be characterized as use of the elimination and disposal services of the ecological system. Hence, they are use of natural resources and thus an input to production. The present paper discusses an approach to evaluate the returns of these kind of services as a production factor.First, four main types of industrial emission are chosen —SO ₂,CO ₂,NO _xandparticulate matter — and integrated in a Cobb-Douglas production function. With this approach, the production elasticities and the marginal product of these types of emission can be estimated.Based on these results and assuming that marginal product equals price, the demand curve for emission is estimated. With this demand curve the consequences of different kinds of environmental policy are considered. Under further assumptions of optimal behaviour it can be shown that the demand curve for emission is equal to the curve of marginal costs of avoidance (MCA). Thus, the estimates of the demand curves can be considered as estimates of the MCA-curves. Furthermore the price elasticities of these four types of emission are estimated with this approach. The method used in the paper is suggested for calibration of CGE models.     

基于可流动性资产负债表的我国政府债务风险研究

政府资产是政府债务顺利偿还的基础,当政府资产低于其负债时,政府债务将面临一定风险,因此基于政府资产负债的视角,本文结合中国实际首先编制了一个简化的政府"可流动性资产"负债表,然后,分析了1998—2008年我国政府仅考虑直接债务时的政府债务风险,并且对2009—2010年的政府债务风险进行了分析。研究表明,2003—2006年因外汇储备急剧增长使我国政府债务风险总体较小且比较稳定,但因金融危机的爆发,我国政府债务风险在此期间前后的两次金融危机中都比较大,金融危机对政府债务风险的影响显著。研究还表明,积极的财政政策对短期降低政府债务风险具有明显效果,且1997年亚洲金融危机和2007年美国次贷危机对我国政府债务风险的影响具有相似性,即金融危机爆发后的几年内政府债务风险会因积极的财政政策而经历"大—小—大"的变化过程。最后,通过引入政府或有债务,分析了具有或有债务时的政府债务风险。本文认为,只要我国政府的或有债务规模不超过24万亿元人民币,则我国的政府债务风险较小。     

Trading Hot-Air. The Influence of Permit Allocation Rules,Market Power and the US Withdrawal from the Kyoto Protocol

After the conferences in Bonn and Marrakech, it is likely that international emissions trading will be realized in the near future. Major influences on the permit market␣are the institutional detail, the participation structure and the treatment of hot-air. Different scenarios not only differ in their implications for the demand and supply of permits and thus the permit price, but also in their allocative effects. In this paper we discuss likely the institutional designs for permit allocation in the hot-air economies and the use of market power and quantify the resulting effects by using the computable general equilibrium model DART. It turns out that the amount of hot-air supplied will be small if hot-air economies cooperate in their decisions. Under welfare maximization, more hot-airis supplied than in the case where governments try to maximize revenues from permit sales.     

贸易公司的客户关系管理策略

面对竞争日趋剧烈的市场环境,贸易公司必须将客户关系管理提升到战略的层面,从客户获取、客户增进与客户维持三个方面加以思考,将“以客户为中心”的理念落实固化到公司的服务流程中,通过制定经营决策、客户服务与信息技术应用三个方面的策略来达成客户关系管理的战略目标。     

基于面板数据对中国股市价量关系的实证研究

根据上海股票市场1999年1月至2005年12月的120支股票的月成交量和收益率组成的面板数据,利用Pool对象进行了计量分析,应用了单位根检验、格兰杰因果关系检验、相关分析这些实证研究方法。研究表明,上海股票市场的收益率和成交量正相关,并且存在双向格兰杰因果关系,同时也说明了上海股票市场信息传递机制不健全,市场不是完全有效的。     

基于产权交易方式的规则设计

通过制定有效的规则可以保证产权交易实现价格发现功能。本文围绕产权交易过程中的价格形成的关键环节，结合经典的拍卖理论，来探讨如何设计有效的交易规则来实现产权的价值，进而达到资源有效配置。     

The welfare cost of bank capital requirements

Capital requirements are the cornerstone of modern bank regulation, yet little is known about their welfare cost. This paper measures this cost and finds that it is surprisingly large. I present a simple framework, which embeds the role of liquidity creating banks in an otherwise standard general equilibrium growth model. A capital requirement limits the moral hazard on the part of banks that arises due to deposit insurance. However, this capital requirement is also costly because it reduces the ability of banks to create liquidity. The key insight is that equilibrium asset returns reveal the strength of households’ preferences for liquidity and this allows for the derivation of a simple formula for the welfare cost of capital requirements that is a function of observable variables only. Using US data, the welfare cost of current capital adequacy regulation is found to be equivalent to a permanent loss in consumption of between 0.1% and 1%.