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On the Reliability of I/B/E/S Earnings Announcement Dates and Forecasts
Pub Date : 2009-11-13 DOI: 10.2139/SSRN.1505360
Daniella Acker, N. Duck
We add to the concerns raised in Ljungqvist, Malloy and Marston, 2009, Rewriting History, Journal of Finance, 64, 1935-1960, about the reliability of the I/B/E/S data provided by Thomson Reuters (TR). Many of the dates reported as earnings announcement dates are not earnings announcement dates; there are inconsistencies between these dates and those reported in Worldscope, another TR database; and summaries of financial analysts’ forecasts can be misleading. Following discussions with the authors, TR has reviewed approximately 2 million records and is in the process of correcting some 50,000 of them. Further reviews are under way.
Ljungqvist, Malloy和Marston, 2009,重写历史,金融学报,64,1935-1960,对汤森路透(TR)提供的I/B/E/S数据的可靠性提出了质疑。许多被报告为盈余公告日期的日期并不是盈余公告日期;这些日期与另一个TR数据库Worldscope报告的日期不一致;对金融分析师预测的总结可能会产生误导。在与作者讨论之后,司法审查局审查了大约200万份记录,并正在纠正其中的大约5万份。进一步的审查正在进行中。
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引用次数: 14
Market Value Evaluation with Ohlson Model: An Empirical Analysis of ATX Indexed Companies in Vienna Stock Exchange 基于Ohlson模型的市场价值评估:维也纳证券交易所ATX指数公司的实证分析
Pub Date : 2009-10-20 DOI: 10.2139/ssrn.1491496
A. Kuşakcı
Scholars of finance and accounting propose several models on equity valuation. One of these models, namely Ohlson Model, relates market value with accounting numbers and thereby, offers an opportunity of equity valuation based on accounting data. This paper aims to weight the explanatory power of the Ohlson Model on determination of market value of ATX (Austrian Traded Index) companies. For this purpose, the model parameters are estimated on the basis of past data and its precision is weighted with dataset of validation period. Although the differences between estimated market value and value calculated based on stock price are not statistically significant, the model is limited mainly with the abnormal consequences of the recent financial crisis.
金融和会计学者提出了几种股权估值模型。其中一种模型,即Ohlson模型,将市场价值与会计数字联系起来,从而为基于会计数据的股权估值提供了机会。本文旨在衡量奥尔森模型对ATX(奥地利交易指数)公司市值决定的解释力。为此,模型参数在过去数据的基础上估计,其精度与验证期数据集加权。虽然估计的市值与基于股价计算的价值之间的差异不具有统计学意义,但该模型的局限性主要在于近期金融危机的异常后果。
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引用次数: 1
Disclosure Quality, Cost of Capital, and Investors' Welfare 披露质量、资金成本与投资者福利
Pub Date : 2009-05-25 DOI: 10.2139/ssrn.1156407
Pingyang Gao
It is widely believed that disclosure quality improves investors’ welfare by reducing cost of capital in a competitive market. This paper examines this conventional wisdom by studying a production economy in which disclosure influences a firm’s investment decisions. I demonstrate three points. First, cost of capital could increase with disclosure quality when new investment is sufficiently elastic. Second, there are plausible conditions under which disclosure quality reduces the welfare of current and/or new investors. Finally, cost of capital is not a sufficient statistic for the effects of disclosure quality on the welfare of either current or new investors. These results may help interpret the mixed empirical findings on the relation between disclosure quality and cost of capital, inform the empirical efforts to measure the economic consequences of accounting disclosure, and add to the ongoing debate on the reform of financial reporting and disclosure regulation.
人们普遍认为,信息披露质量通过降低竞争市场中的资金成本来提高投资者的福利。本文通过研究信息披露影响企业投资决策的生产型经济来检验这一传统观点。我要说明三点。首先,当新投资具有足够的弹性时,资本成本可能随着披露质量的提高而增加。其次,在一些合理的条件下,披露质量会降低现有和(或)新投资者的福利。最后,对于披露质量对现有投资者或新投资者福利的影响而言,资本成本并不是一个充分的统计数据。这些结果可能有助于解释关于披露质量与资本成本之间关系的混合实证发现,为衡量会计披露的经济后果的实证努力提供信息,并增加正在进行的关于财务报告和披露监管改革的辩论。
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引用次数: 19
How to Value Human Resources 如何重视人力资源
Pub Date : 2007-04-20 DOI: 10.2139/SSRN.981967
Dr. Amitabh Deo Kodwani, R. Tiwari
Human resource accounting (HRA) is an attempt to identify, quantify and report investment made in Human resources of an organization that are not presently accounted for under conventional accounting practice. Businesses which require a considerable creativity or are science-based show a significant difference between market value and net book value. This difference is for intangible assets (including human skills). However the Human Resources are yet to get recognition in Balance Sheet. Researches in this field have been slow and researchers are not able to develop a model which are free from major limitations. In this paper I have given a new method to value human resource. This method is specially relevant in knowledge companies.
人力资源会计(HRA)是一种识别、量化和报告一个组织在人力资源方面的投资的尝试,这些投资目前在传统的会计实践中没有被计算在内。需要相当大的创造力或以科学为基础的业务在市场价值和账面价值之间表现出显著差异。这种差异是针对无形资产(包括人类技能)的。然而,人力资源尚未在资产负债表中得到确认。这一领域的研究进展缓慢,研究人员无法开发出一种不受重大限制的模型。本文提出了一种新的人力资源价值评价方法。这种方法尤其适用于知识型公司。
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引用次数: 1
Conservatism, Growth and the Role of Accounting Numbers in the Equity Valuation Process 稳健性、成长性和会计数字在股权估值过程中的作用
Pub Date : 1999-10-18 DOI: 10.2139/ssrn.189892
S. Monahan
This study extends our understanding of the impact that conservative accounting has on the equity valuation role of firms' summary accounting numbers. In particular, I evaluate the effect of conservative accounting for research and development (R&D) and past growth in R&D on the relation between aggregate earnings (deflated by price) and contemporaneous stock return and the usefulness of earnings and equity book values for developing estimates of equity market value. I find that the capitalization of R&D improves the value relevance of aggregate earnings only for firms with high past growth in R&D. Moreover, the deleterious effects of the conservative treatment of R&D on the value relevance of estimates of equity market value based on the discounted residual income model are increasing in the level of past growth in R&D. My results contribute to the extant literature by providing more precise evidence regarding the magnitude of the benefits (in terms of value relevance) associated with capitalizing R&D costs. In addition, my results provide us with a deeper understanding of how accounting measurement rules and firms' economic fundamentals interact to determine the valuation role of firms' financial statement numbers.
本研究扩展了我们对保守会计对公司汇总会计数字的股权估值作用的影响的理解。特别是,我评估了研发(R&D)和过去研发增长的保守会计对总收益(按价格折算)与同期股票回报之间关系的影响,以及收益和股票账面价值对开发股票市场价值估计的有用性。研究发现,研发资本化仅对过去研发增长率较高的企业,才会提高总收益的价值相关性。此外,在过去的研发增长水平上,对研发的保守处理对基于贴现剩余收益模型的股权市场价值估计的价值相关性的有害影响正在增加。我的结果通过提供与资本化研发成本相关的利益(就价值相关性而言)的大小的更精确的证据,对现有文献做出了贡献。此外,我的研究结果使我们更深入地了解会计计量规则和企业经济基本面如何相互作用,以确定企业财务报表数字的估值作用。
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引用次数: 29
Earnings Disclosures and Stockholder Lawsuits 收益披露和股东诉讼
Pub Date : 1997-11-01 DOI: 10.2139/ssrn.55489
Douglas J. Skinner
This paper provides evidence on the relation between the timeliness of voluntary earnings disclosures and the outcomes of related stockholder litigation. Like Francis Philbrick and Schipper (1994a) I find that many lawsuits result from voluntary disclosures of adverse earnings news. However I also document that: (1) many voluntary earnings disclosures are not made on a timely basis; (2) less timely voluntary disclosures result in more costly lawsuit outcomes; (3) a simple model that predicts that lawsuits occur if large firms release adverse earnings news on earnings announcement dates works well in predicting stockholder litigation. Overall it seems lawsuit outcomes depend at least to some degree on the "merits" of stockholders' claims so that managers can benefit by making more timely earnings disclosures.
本文就自愿盈余披露的及时性与关联股东诉讼结果之间的关系提供了证据。像Francis Philbrick和Schipper(1994)一样,我发现许多诉讼都是由于自愿披露不利的收益新闻而引起的。然而,我也证明:(1)许多自愿的收益披露没有及时进行;(2)自愿披露不及时导致诉讼结果成本更高;(3)一个简单的模型预测,如果大公司在收益公告日发布不利的收益消息,就会发生诉讼,该模型可以很好地预测股东诉讼。总体而言,诉讼结果似乎至少在一定程度上取决于股东索赔的“价值”,因此管理者可以通过更及时地披露收益而受益。
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引用次数: 892
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Chicago Booth ARC: Financial Accounting (Topic)
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