Random walk and efficiency tests in the Asia-Pacific foreign exchange markets: Evidence from the post-Asian currency crisis data

This paper empirically tests the random walk and efficiency hypothesis for 12 Asia-Pacific foreign exchange markets. The hypothesis is tested using individual as well as panel unit root tests and two variance-ratio tests. The study covers the high (daily) and medium (weekly) frequency post-Asian crisis spot exchange rate data from January 1998 to July 2007. The inferential outcomes do not differ substantially between the unit root tests and the variance-ratio tests when using daily data but differ significantly when using weekly data. With the daily data, both types of unit root tests identify unit root components for all the series and two variance-ratio tests provide the evidence of martingale behavior for majority of the exchange rates tested. With the weekly data, panel unit root tests identify unit root component for the exchange rates and, the unit root tests on a single series basis identify unit root component for 10 foreign exchange markets. However, the variance-ratio tests reject the martingale null for the majority of the exchange rates when using weekly data.     

Banking efficiency in transition economies

An increasing share of the banking sector is controlled by foreign capital in the majority of transition countries. To analyse the effects of this trend on the performance of the banking sector in these countries, this study conducts a comparative analysis of the performance of foreign‐owned and domestic‐owned banks operating in the Czech Republic and Poland. We use the stochastic frontier approach to compute cost efficiency scores. Following Mester (1996 ), financial capital is included in the cost frontier model to control for risk preferences. Our finding is that on average foreign‐owned banks are more efficient than domestic‐owned banks. We conclude, however, that this advantage does not result from differences in the scale of operations or the structure of activities.     

Shareholder Value Maximisation,Stock Market and New Technology: Should the US Corporate Model be the Universal Standard? 1

In 1992 a blue‐ribbon group of US economists led by Michael Porter concluded that the US stock market‐based corporate model was misallocating resources and jeopardising US competitiveness. The faster growth of US economy since then and the supposed US lead in the spread of information technology has brought new legitimacy to the stock market and the corporate model, which is being hailed as the universal standard. Two main conclusions of the analysis presented here are: (a) there is no warrant for revising the blue‐ribbon group’s conclusion; and (b) even US corporations let alone developing country ones would be better off not having stock market valuation as a corporate goal.     

铁路货车周转时间计算方法研究

通过对现行铁路货车周转时间计算方法进行分析,指出由于定义的概念不清,存在车辆相关法误差较大、时间相关法可行性较差,且工作量计算不准确等问题。同时,根据运输生产和资产经营的要求,阐述了改进的计算方法和实现措施。     

上市公司治理模式的效率比较与变革

作为不同的制度安排,除暂时存在的转轨经济模式外,其余英美、德日及家族治理三种模式均具有一定的有效性。随着经济的发展、时代的变迁及国际化潮流的兴起,各种模式不可避免地面临挑战,均需进行不断变革和调整,在相互学习和借鉴中,逐步渗透和融合。而中国上市公司在借鉴各模式有效性基础上,应选择适合中国国情的市场与组织并重、内外结合的治理模式。     

World Bank lending and regulation

Does World Bank lending promote deregulation with stronger incentives and critical resources or slow the process by blunting the impact of crises and indirectly promoting state control? This paper analyzes empirical links between aid flows and regulatory burden. Econometric estimates based on panel data for 83 aid receiving countries over 5 year periods from 1970 to 2000 find that World Bank lending, while not specifically targeting high or low regulatory states, is linked to lower subsequent regulation. This link holds for multilateral donors more broadly while bilateral donor funds apparently fail to influence the level of regulation.     

A short-run Johansen industry model for common-pool resources: planning a fishery's industrial capacity to curb overfishing

Current methods for assessing capacity and its utilisation infisheries operate at the firm-level, but neglect industry capacity.Here, we introduce the Johansen-Färe measure of plant capacityof the firm into a multi-output, frontier-based version of theshort-run Johansen industry model. The model determines firmcapacity utilisation such that current industry outputs aremaintained, while minimising the use of fixed inputs at industrylevel and assuming abundant variable inputs. Policy extensionsrelevant to combating overfishing include tightening quotas,seasonal closures, linking economic and plant capacity, decommissioningschemes and area closures, implementation issues and equityconsiderations. The application to the Danish fisheries revealssubstantial overcapacity in the Danish fleet.     

Distinguishing Between Rationales for Short‐Horizon Predictability of Stock Returns

In this paper, we shed light on short‐horizon return reversals. We show theoretically that a risk‐based rationale for reversals implies a relation between returns and past order flow, whereas a reversion in beliefs of biased agents does not do so. The empirical results indicate that returns are more strongly related to own‐return lags than to lagged order imbalances. Thus, the evidence suggests that monthly reversals are not completely captured by inventory effects and may be driven, in part, by belief reversion. We do find that returns are cross‐sectionally related to lagged imbalance innovations at horizons longer than a month.     

我国上市公司治理与会计政策选择

会计政策选择受到公司治理的强烈影响,其存在有一定的客观必然性。文章论述了两种主要公司模式下会计政策选择的取向,分析了我国上市公司治理的现状及由此而产生的会计政策选择方面的问题。为提高会计政策选择的效率性,我国上市公司应完善公司治理结构,文章对此提出了建议。     

金融结构市场化调整之我见

根据我国金融结构市场化调整的要求,本文分析了我国金融市场中的银行、证券、产权三大突出体系的发展状态和趋势以及相互关系,提出了改革银行、规范证券、发展产权市场的建立和操作思路。