The price normalization problem in imperfect competition and the objective of the firm

Summary. General equilibrium models of oligopolistic competition give rise to relative prices only without determining the price level. It is well known that the choice of a numéraire or, more generally, of a normalization rule converting relative prices into absolute prices entails drastic consequences for the resulting set of Nash equilibria when firms are assumed to maximize profits. This is due to the fact that changing the price normalization amounts to altering the objective functions of the firms. Clearly, the objective of a firm must not be based on price normalization rules void of any economic content. In this paper we propose a definition of the objective of a firm, called maximization of shareholders' real wealth, which takes shareholders' demand explicitly into account. This objective depends on relative prices only. Real wealth maxima are shown to exist under certain conditions. Moreover, we consider an oligopolistic market and prove the existence of a Nash equilibrium in which each firm maximizes the real wealth of its shareholders. Received: July 10, 1997; revised version: July 27, 1998     

中国A股权证市场投资价值研究

由于近年来权证市场的交易量巨大,对权证的研究逐渐成为证券市场的热点之一。通过对权证市场投资总体收益的研究表明,权证市场缺乏投资价值,权证二级市场上投资者遭受了严重的亏损,而其最主要的原因就在于券商不合理的巨量权证创设。     

Measuring and managing customer relationship risk in business markets

There have been repeated calls from top management and marketing academics for greater accountability in marketing so that the financial returns of marketing investments can be more robustly evaluated. These are coalescing around the issue of whether or not marketing delivers shareholder value. One promising line of enquiry explores customer lifetime value and the profitable management of these relationships. Although helpful, this approach fails to make the final link with shareholder value since customer lifetime value is still essentially a profit or cash flow measure and does not fully account for customer risk. This paper describes empirical research which explores differing approaches to measuring customer risk and the creation of shareholder value through customer relationship management (CRM). We develop a customer relationship scorecard which proves an innovative tool for managers to use in determining the risks in their customer relationships and developing risk mitigation strategies. The scorecard is then used to forecast retention probabilities, from which a risk-adjusted customer lifetime value is calculated. Both the scorecard and the calculations have an impact on the CRM practices of the customer relationship managers. From a theoretical perspective, an enhanced consideration of customer risk and returns is an important additional step towards demonstrating that marketing creates shareholder value.     

The Wealth Effects of Capital Investment Decisions: An Empirical Comparison of Korean Chaebol and Non‐Chaebol Firms

Abstract:   This paper investigates the capital investment decisions of Korean firms and their impact on shareholder wealth. Overall, we find positive abnormal returns surrounding the announcements of 697 cases of investment projects during the period 1992–1999. This paper also finds that the investment decisions of business group ( chaebol ‐affiliated) firms do not increase shareholder wealth, while the capital investment decisions of non‐ chaebol firms generate significantly positive abnormal returns. The multivariate tests provide consistent evidence that the announcement effects for chaebol firms are lower than for non‐ chaebol firms, after growth opportunities, investment size and firm size are controlled for. The findings support the view that the organizational structure of Korean chaebols creates an incentive for managers to make non‐value maximizing capital investment decisions.     

Bidder Gains and Losses of Firms Involved in Many Acquisitions

Abstract:  We examine shareholders' wealth effects (both in the short- and the long-run) of UK frequent bidders acquiring public, private, and/or subsidiary targets with alternative methods of payment between 1987 and 2004. We find that, in the short-run, bidders break even when acquiring public targets and gain significantly when buying private and subsidiary targets. This result is robust after controlling for relative size, bidder's book-to-market ratio, target origin, and industry diversification. Our long-run evidence, however, reveals that acquirers experience, significant wealth losses regardless of the target type acquired, indicating that markets may initially overreact to the acquisition announcement. As a result, we argue that contrary to Fuller et al. (2002) who suggest that acquiring private and subsidiary firms creates value for bidding firms, a reliable conclusion on bidders' shareholders wealth effects cannot be based solely on a short-run event study.     

Till Death Do Us Part or I Get My Pension? Wives' Pension Holding and Marital Dissolution in the United States

Wives' financial independence gained from their pension may increase the risk of marital dissolution, especially when wives are approaching retirement age (the older wives' independence hypothesis). Applying single and simultaneous equations probit models to data from the Panel Study of Income Dynamics, we investigate the effect of wives' pension holding in 1984 on the risk of subsequent marital dissolution. Results from the single equation model appear to support the older wives' independence hypothesis. However, results from the simultaneous equations model suggest that interpreting the single equation results as a sign of older wives' economic independence may be misleading.
JEL classification : C 33; D 31; J 12; J 32     

The Gender Wealth Gap in Europe: Application of Machine Learning to Predict Individual-level Wealth

This article provides comparative estimates of the gender wealth gaps for 22 European countries, employing data from the Household Finance and Consumption Survey. The data on wealth are collected at the household level, while individual-level data are needed for the estimates of gender wealth gaps. We propose a novel approach using machine learning and model averaging methods to predict individual-level wealth data for multi-person households. Our results suggest that random forest performs best as the predicting tool for this exercise, outperforming elastic net and Bayesian model averaging. The estimated gender wealth gaps tend to be in favor of men, especially at the top of the wealth distribution. Men have 24 percent more wealth than women on average. We also find that a high home ownership rate is associated with a smaller country-level gender wealth gap. Our estimates suggest that the individual-level wealth inequality is on average 3 pp higher than the household-level wealth inequality in multi-member households.     

The impact of introductory accounting courses on student perceptions about the purpose of accounting information and the objectives of business: A comparison of the UK and Japan

This paper is concerned with the impact of introductory financial accounting courses on student perceptions of business objectives. The paper reports the results of a questionnaire survey of UK and Japanese university students which investigated their views at the start and end of an introductory financial accounting module. The views of Japanese students, in comparison with those from the UK, are of particular interest given evidence in the literature that traditional “social market” traditions in Japan are being influenced by Anglo-American “stock market” values. Our results are consistent with such a phenomenon in that Japanese students’ values regarding business objectives show significant changes that are not mirrored by changes in the perceptions of their UK counterparts. We suggest that accounting education is acting as a conduit for views more commonly held in Anglo-American societies.     

上市公司信息披露失信行为的经济后果

上市公司信息披露失信行为对股东财富、股票系统性风险以及股票市场波动等都有一定影响。从这三个方面进行研究,定量性评估上市公司信息披露失信行为的经济后果,则能为市场监管与处罚提供依据。研究结果表明,上市公司信息披露失信行为在被揭露的时窗内平均使股东财富损失2．35％,价值平均500多万元;股票的系统性风险也因为上市公司的失信行为而被显著性放大;股票市场的整体波动则随着失信案例的增多而加剧。     

财富管理:商业银行零售业务发展的战略选择

社会财富结构变化的现实要求中小股份制商业银行必须走一条具有特色的零售银行发展道路,而财富管理业务是打造这一特色的重要途径.为此,中小股份制商业银行必须加强财富管理业务的战略规划,提升产品和服务的创新能力,打造一支高素质的财富管理人才队伍,提升客户的忠诚度和满意度.