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101.
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This article examines the lead-lag relationship in returns on stock index futures and the underlying stock index for the Australian market between 1992 and 1997. On average across the sample period, futures returns lead index returns by twenty to twenty-five minutes and there is some evidence of feedback from the equities market to the futures market. Analysis conducted on a year-by-year basis suggests that the extent to which the futures market leads the equities market has decreased over time and the relationship between the two markets has generally strengthened. This is consistent with an increase in the level of integration between the markets. The results suggest that prior research that compares lead-lag relationships across international markets and time periods in drawing inferences on the effects of market structure needs to be interpreted with caution. 相似文献
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Auditors' Liability, Vague Due Care, and Auditing Standards 总被引:1,自引:0,他引:1
Rachel Schwartz 《Review of Quantitative Finance and Accounting》1998,11(2):183-207
This paper expands the set of previously considered liability rules to include a negligence liability rule with a vague specification of due care. Auditors who are negligent in conducting their audit are liable for losses that result from reliance on misstated financial statements. However, what constitutes negligence for auditors is not clearly specified in the law. Consequently, courts often resort to Generally Accepted Auditing Standards (GAAS) and Statements on Auditing Standards (SAS) as benchmarks for determining due care. A liability regime that consists of a vague negligence rule supports and amplifies the credibility of auditing standards. While auditing standards alleviate some of the vagueness that is inherent in the legal standard, they also form a lower bound on due care, since an audit of a quality that is lower than the quality that auditing standards require would be considered negligent. Thus, the vague specification of due care enables auditors to commit to audit quality as pronounced in auditing standards. This paper explores this link between professional standards and auditors' legal liability. It establishes that the commitment to auditing standards could not have been as credible as it is, if auditors' liability was determined based on the strict liability rule, or based on a negligence rule with a clearly specified due care, since under these two liability rules courts would not need to refer to auditing standards to establish fault. The paper also demonstrates that a legal regime where audit standards are used as a benchmark to evaluate negligence is not the same as a legal regime where due care is defined clearly. Therefore, previous studies that assumed a negligence regime with clear due care may have overstated the effort level that is induced by legal liability. 相似文献
105.
Rachel J Slater 《Development Southern Africa》2001,18(5):635-650
Studies of urban agriculture (UA) in South Africa, and more broadly in southern Africa, have drawn on quantitative research methodologies to explain the involvement in UA of people from low-income households. Such studies tend to explain UA with reference to the direct economic and monetary gains that are made through agricultural activity. In Cape Town, the contribution of UA to income generation and expenditure substitution is limited. However, UA is important to women of low-income households in ways less directly related to monetary gain. Women use UA in processes of empowerment, to establish social networks, to symbolise a sense of security and to encourage community development. Policy-makers should extend their perception of UA's benefits beyond narrow economistic notions to include these positive social effects. 相似文献
106.
Rachel A.J. Campbell Catherine S. Forbes Kees G. Koedijk Paul Kofman 《Journal of Empirical Finance》2008,15(2):287-309
Increasing correlation during turbulent market conditions implies a reduction in portfolio diversification benefits. We investigate the robustness of recent empirical results that indicate a breakdown in the correlation structure by deriving theoretical truncated and exceedance correlations using alternative distributional assumptions. Analytical results show that the increase in conditional correlation could be a result of assuming conditional normality for the return distribution. When assuming a popular alternative distribution – the bivariate Student-tr – we find significantly less support for an increase in conditional correlation and conclude that this is due to the presence of fat tails when assuming normality in the return distribution. 相似文献
107.
This paper has three main objectives: firstly, to provide quantitative information on the potential greenhouse gas and air pollutant emissions reductions resulting from a number of future road transport scenarios; secondly, to illustrate the emission reduction measures available to local transport planners; and thirdly, to highlight the potential for these measures to be integrated into strategies that deliver other transport priorities. The results are drawn from a case study of Norfolk in the UK. We conclude that while technology can play a large part in reducing emissions of air pollutants, demand management is crucial to the delivery of long term greenhouse gas emission reduction and ultimately of air pollutant emissions too. 相似文献
108.
Abstract: Improving public involvement in policy-making is generally accepted to be a good thing, and a whole range of methods now exist in the UK that try to achieve this aim. However, few steps have been taken to involve the public directly in decisions on policy issues that will be vital in the future but are not yet on the immediate agenda of policy-makers. One attempt to do just this was made in Wales in November 1997 when a Citizens’ Jury explored future policies for genetic testing for common disorders in the NHS. This paper describes the Citizens’ Jury experiment and also includes a summary of this Jury's recommendations. 相似文献
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110.
All companies value leadership-some of them enough to invest dearly in cultivating it. But few management teams seem to value one engine of leadership development that is right under their noses, churning out the kind of talent they need most. It's the complicated, overburdened but very rich lives of their minority managers. Minority professionals-particularly women of color-are called upon inordinately to lend their skills and guidance to activities outside their jobs. Sylvia Ann Hewlett, who heads the Center for Work-Life Policy, and her coauthors, Carolyn Buck Luce of Ernst & Young and Cornel West of Princeton, present new research on the extent to which minority professionals take on community service and other responsibilities outside the workplace and more than their share of recruiting, mentoring, and committee work within the workplace. These invisible lives, argue the authors, can be a source of competitive strength if companies can learn to recognize and further cultivate the cultural capital they represent. But it's hard to convince minority professionals that their employer respects and values their off-hours responsibilities. A lack of trust keeps many people from revealing much about their personal lives. The authors outline four ways companies can leverage hidden skills: Develop a new level of awareness of minority professionals' invisible lives; appreciate the outsize burdens these professionals carry and try to lighten them; build trust by putting teeth into diversity goals; and, to finish the job of leadership development, help minorities reflect on their off-hours experiences, extract and generalize the lessons, and apply what's been learned in other settings. 相似文献