事项法:财务会计报告的发展方向

文章分析了传统会计缺陷，指出了这种缺陷是导致会计信息竞争力下降的原因，介绍了事项会计的理论，提出对传统的会计的改造要以事项会计为基础，以提高会计信息的竞争力。     

An empirical investigation of the effect of corporate charter antitakeover amendments on stockholder wealth

This paper tests competing theoretical explanations for the passage of corporate charter antitakeover amendments. The managerial entrenchment hypothesis suggests that antitakeover amendments are adopted by incumbent management to obtain job security at stockholders' expense. An alternative hypothesis is that antitakeover amendments are proposed in order to enable the management of the target firm to extract a higher price from the bidding firm and thereby benefit stockholders. Our event study from a sample of 409 firms that adopted antitakeover amendments in the 1974–88 period indicates a strongly negative effect on stockholder wealth, in support of the managerial entrenchment hypothesis that antitakeover amendments are adopted by managers at the expense of stockholders.     

A Multivariate Sample-Selection Model: Estimating Cigarette and Alcohol Demands with Zero Observations

Heckman's sample-selection model is generalized to the multivariate case and used to estimate demands for cigarettes, beer, and wine by individuals in the United States. The specification allows correlations between the error terms of multiple selection and level equations, and nests the popular bivariate sample-selection model and two-part model. Empirical results suggest that the proposed model performs better than the restricted specifications. Differentiated effects of variables on probabilities and levels of consumption also suggest rejection of the Tobit system. Gender differences are present, and demographic variables are more important than income in determining consumption of cigarettes, beer, and wine.     

Evaluating employee integrity: Moral and methodological problems

This paper reviews the research on proprietary paper and pencial tests of integrity or honesty, which have effectively supplanted polygraph examinations in evaluating the moral attributes of employees and applicants. Moral integrity is a complex issue that encompasses more than conventional notions of honesty and is difficult to operationalize as a psychological trait or construct. Integrity test questions are largely derived from polygraph interrogations and the tests validated through polygraph results. The field studies reviewed and an exploratory test cast doubt on the ability of these paper and pencil instruments to meet standards of construct validity. Other studies show promise of predictive validity in some situations. Unfortunately, the research designs used to substantiate the predictive powers of integrity tests failed to hold other workplace influences constant. In light of these findings, employers are urged to exercise caution in the use of these tests until further independent research is reported because of potential infringements on privacy and equal opportunity.     

Consequences of the Treasury Single Account Policy on the Wealth of Nigerian Commercial Banks’ Shareholders

We examine the impact of the Nigerian government’s Treasury Single Account (TSA) policy to withdraw the funds of Ministries, Departments and Agencies from commercial banks. Following the economic policy uncertainty theory, we use an event study methodology to measure the impact of the TSA policy on the shareholders’ wealth. Our results reveal that the announcements and subsequent final implementation of the TSA policy caused negative abnormal returns and losses on the wealth of the commercial banks’ shareholders. This article contributes to the literature on stock market reaction to policy announcements and the unintended consequences government policy can have in an emerging economy.     

Quality control for structural credit risk models

Over the last four decades, a large number of structural models have been developed to estimate and price credit risk. The focus of the paper is on a neglected issue pertaining to fundamental shifts in the structural parameters governing default. We propose formal quality control procedures that allow risk managers to monitor fundamental shifts in the structural parameters of credit risk models. The procedures are sequential — hence apply in real time. The basic ingredients are the key processes used in credit risk analysis, such as most prominently the Merton distance to default process as well as financial returns. Moreover, while we propose different monitoring processes, we also show that one particular process is optimal in terms of minimal detection time of a break in the drift process and relates to the Radon–Nikodym derivative for a change of measure.     

What's in a name.com?: The effects of ‘.com’ name changes on stock prices and trading activity

This paper uses a market signaling perspective to examine investor reactions to firm announcements of name changes to include ‘.com.’ Firms that change their name as a purely cosmetic technique are contrasted to those that employ other strategic investments. Results show that announcements of ‘.com’ name changes are associated with significant increases in stock prices and trading activity. Furthermore, the magnitude of investor reactions is significantly larger when name changes are accompanied by other strategies. Copyright © 2001 John Wiley & Sons, Ltd.     

Riding off into the Sunset: Organizational Sensegiving,Shareholder Sensemaking,and Reactions to CEO Retirement

We test hypotheses derived from resource dependence and sensemaking/sensegiving theoretical lenses in the context of CEO succession, focusing on an under‐researched yet prevalent type of executive turnover – CEO retirement. Using event study methodology and a sample of CEO retirements from S&P 1500 firms during the 2003–12 period, we find that, all else equal, shareholders’ perceptions of organizations’ capacity to serve their interests are adversely affected when a retirement related change occurs in the leadership structure. Specifically, in line with resource dependence theory, we find that CEO retirement disclosures typically generate negative abnormal returns. Furthermore, in line with the sensemaking perspective, we find that the magnitude of shareholders’ reactions is contingent on the lexical sensegiving cues contained in the organizational narratives that are released to capital markets via executive retirement announcements. Overall, our theory and results point to CEO retirement events as consequential in the eyes of shareholders, challenging an important assumption of extant succession research. Moreover, they suggest that shareholders’ interpretation of these events is influenced by organizational sensegiving, highlighting the important role of organizational communication around succession events.     

Random walk and breaking trend in financial series: An econometric critique of unit root tests

The present note sheds light on several pitfalls associated with unit root tests that are overlooked by a growing volume of literature in financial economics. Specifically, several studies have confused unit root tests with the Random Walk hypothesis. Unit root tests are not designed for such a task since they aim at investigating whether a time series is difference-stationary or trend-stationary and are not, therefore, predictability tests. Secondly, we emphasize some serious shortcomings associated with the widely used unit root test developed by Zivot and Andrews [Zivot, E. & Andrews, D.W.K. (1992). Further evidence on the great crash, the oil-price shock, and the unit-root hypothesis. Journal of Business and Economic Statistics, 10, 251–270.]. In particular, we stress that results from the Zivot–Andrews test are sensitive to the methods employed to calculate the critical values and to select the maxim lag k. Furthermore, Zivot–Andrews test imposes a one time structural break in a time series; however recent studies showed that not counting for other true structural breaks may bias the results and may cause a spurious rejection of the unit root null hypothesis. Finally, we support our arguments by an empirical example based on the findings of Narayan and Smyth [Narayan, K.P. & Smyth, R. (2004). Is South Korea’s stock market efficient? Applied Economics Letters, 11, 707–710.] with regards to the efficiency of South Korean stock market. We show that contrary to what the authors claim, the KSE (KOSPI) price index is predictable, and hence the South Korean stock market is not informationally efficient.     

Multivariate Tweedie lifetimes: the impact of dependence

Systematic longevity risk is increasingly relevant for public pension schemes and insurance companies that provide life benefits. In view of this, mortality models should incorporate dependence between lives. However, the independent lifetime assumption is still heavily relied upon in the risk management of life insurance and annuity portfolios. This paper applies a multivariate Tweedie distribution to incorporate dependence, which it induces through a common shock component. Model parameter estimation is developed based on the method of moments and generalized to allow for truncated observations. The estimation procedure is explicitly developed for various important distributions belonging to the Tweedie family, and finally assessed using simulation.