Abstracts

Quality & Quantity -     

Gender and ethical orientation: A test of gender and occupational socialization theories

Ethics and associated values influence not only managerial behavior but also managerial success (England and Lee, 1973). Gender socialization theory hypothesizes gender differences in ethics variables whether or not individuals are full time employees; occupational socialization hypothesizes gender similarity in employees. The conflicting hypotheses were investigated using questionnaire responses from a sample of 308 individuals. Analysis of variance and hierarchical regression yielded unexpected results. Although no significant gender differences emerged in individuals lacking full time employment, significant differences existed between employed women and men, with women appearing more ethical. While occupational socialization predicts an interaction between employment status and gender, these group differences were opposite to those predicted. An implication for the two theories and the current conflicting research support is that these commonly used theories may be of limited usefulness. Some alternative concepts are proposed.E. Sharon Mason is an Assistant Professor of organizational behavior and human resource management in the Faculty of Business, Brock University, St Catharines, Ontario.Peter E. Mudrack is an Assistant Professor in the Department of Management and Organization Sciences at Wayne State University, Detroit, Michigan.     

Jackknifing Bond Option Prices

Prices of interest rate derivative securities depend cruciallyon the mean reversion parameters of the underlying diffusions.These parameters are subject to estimation bias when standardmethods are used. The estimation bias can be substantial evenin very large samples and much more serious than the discretizationbias, and it translates into a bias in pricing bond optionsand other derivative securities that is important in practicalwork. This article proposes a very general and computationallyinexpensive method of bias reduction that is based on Quenouille's(1956; Biometrika, 43, 353–360) jackknife. We show howthe method can be applied directly to the options price itselfas well as the coefficients in the models. We investigate itsperformance in a Monte Carlo study. Empirical applications toU.S. dollar swap rates highlight the differences between bondand option prices implied by the jackknife procedure and thoseimplied by the standard approach. These differences are largeand suggest that bias reduction in pricing options is importantin practical applications.     

区域电力市场的十大障碍及其对策

中国迄今已经在电力改革方面取得了很大进展.目前所处的行业重组阶段,旨在为建立竞争性电力市场奠定必要的基础.尽管最初的省级电力市场试点为提高行业的经济和技术水平创造了条件,但建立区域电力市场以优化资源配置和提高效率的潜力显然更大.但是,建立区域电力市场的难度远大于建立省级电力市场.本文讨论在中国建立区域电力市场的障碍因素及其可以采取的应对措施.     

Perception of ‘economic reality’ with Design and Technology

Conclusion It has been argued that Design and Technology teachers would be helped by clear distinction between the terms, industry, business and economic. This would help to avoid the confusion between particular ways of viewing business (eg. through an economic concept such as profit maximisation;) and the multi-faceted character of the activity under observation. By this reasoning, the economic dimension of Design and Technology resides in the analysis of needs and the evaluation of products according to the value of the resources used up, and the value and distribution of the resources and products created. The link with discussion of value judgements in the subject (eg. Riggs and Conway, 1991) is very clear. So also is the dependence of this analysis on the definition of needs and evaluation and, crucially, the perceived relationship between the two, in learning and classroom practice.     

Moral and Instrumental Norms in Food Risk Communication

The major normative recommendations in the literature on food risk communication can be summarized in the form of seven practical principles for such communication: (1) Be honest and open. (2) Disclose incentives and conflicts of interest. (3) Take all available relevant knowledge into consideration. (4) When possible, quantify risks. (5) Describe and explain uncertainties. (6) Take all the public’s concerns into account. (7) Take the rights of individuals and groups seriously. We show that each of these proposed principles can be justified both in terms of more fundamental ethical principles and instrumentally in terms of the communicating agent’s self-interest. The mechanisms of this concordance of justifications are discussed. It is argued that the concordance is specific for areas such as food risks in which agents such as companies and public authorities are highly dependent on the public’s trust and confidence. The implications of these findings both for moral philosophy and for practical food risk communication are discussed.     

Advertising to a social network

Direct advertising—sending promotional messages to individual customers—is increasingly used by marketers as a result of the recent improvements in consumer reachability. Most current methods to calculate optimal budgets for such advertising campaigns consider customers in isolation and ignore word-of-mouth communication (WOM). When the customer base forms a network (as is the case in telecom or social network databases) ignoring WOM clearly leads to suboptimal advertising budgets. This paper develops a model to help address this challenge. We assume that firms know the network structure formed by customers but do not know (or are not allowed to use) data on individuals’ connections. Under this scenario, we compare the optimal campaign of a monopolist to that of firms competing in simultaneous-move or sequential-move games. The analysis provides two key insights: (i) we show that ignoring the existence of WOM leads to significant profit loss for firms and this is more so under competition. In particular, knowing the “density” of consumer connections is crucial for the design of optimal campaigns. (ii) Competition in direct advertising exhibits strong first-mover advantages and, even in a simultaneous-move game between identical firms, highly asymmetric outcomes are possible. The paper also explores two extensions. First, we study the nature of the trade-off between increasing network size versus increasing the connectivity between existing network members. Second, we investigate how firms’ advertising activity may endogenously grow the membership base.