Diffusion of Products with Limited Supply and Known Expiration Date

In this paper, we provide a model for diffusion of products, which are available in limited quantity until a known expiration date, after which the unsold products have no value. We consider the case of a performing arts company. The model development is built on the foundation of classical product diffusion model by Bass (1969) and the psychological effect known as the scarcity principle (Cialdini, 1985). Our empirical analysis results show that the proposed model can provide significant improvement in prediction of the products characterized by the scarcity effect.     

对提高夜大学教学质量的思考

普通高校夜大学应结合夜大学学生特点,从专业设置、培养目标、培养规格、课程设置、教学环节等方面进行改革,并通过选聘有实践能力的专业课教师、选订适合夜大学生的优秀教材、改进传统考试方法等措施,切实保证其实施.     

Learning across the life cycle: Experimentation and performance among the hollywood studio heads

Guided by notions from the literature on organizational learning, this paper investigates how product line experimentation and organizational performance change across the careers of top managers. Its subjects are the studio heads who ran all the major Hollywood film studios from 1936 to 1965. The study found first, that product line experimentation declines over the course of executive tenures; second, that there is an inverse U‐shaped relationship between top executive tenure and an organization's financial performance; and third, that product line experimentation is more likely to benefit financial performance late in top executives' tenures. These findings are consistent with a three‐stage ‘executive life cycle’. During the early years of their tenures, top managers experiment intensively with their product lines to learn about their business; later on their accumulated knowledge allows them to reduce experimentation and increase performance; finally, in their last years, executives reduce experimentation still further, and performance declines. Copyright © 2001 John Wiley & Sons, Ltd.     

Quality Competition and Social Welfare in Markets with Partial Coverage: New Results*

We use a vertical product differentiation model under partial market coverage to study the social welfare optimum and duopoly equilibrium when convex costs of quality provision are either fixed or variable in terms of production. We show the following new results. First, under fixed costs, the social planner charges a uniform price for the single variant that just covers costs of quality provision. Like the duopoly equilibrium, this socially optimal pricing entails a partially uncovered market, but a smaller share of the market is served compared with the duopoly equilibrium. Second, for the variable cost case, it is socially optimal to provide both high‐ and low‐quality variants, but market shares need not be equal. This differs from the result in fully covered markets. Third, in the duopoly equilibrium, the quality spread is too wide under variable costs relative to the social optimum. Under fixed costs, the duopoly produces two variants, but quality is too low relative to the social optimum, which has only one variant.     

论高职院校学生信息素质教育

文章论述了信息素质教育的内涵和对高职院校学生实施信息素质教育的重要性及其措施。     

施工阶段对影响工程质量因素的控制方法

工程项目的建设是一个复杂、庞大的系统工程,影响工程质量的因素很多而且贯穿整个施工过程。文章简要论述了监理工程师在施工阶段对影响工程质量的五大因素的控制方法。     

审计师对舞弊报表说不了吗——来自配样本的初步证据

本文以1998—2005年上市公司舞弊样本与配对样本作为研究对象,实证分析了非标审计意见与舞弊报表的关系。研究结果表明,审计师能够以出具非标审计意见的方式揭露报表舞弊。     

整合产品服务系统——实现循环经济的新途径

整合产品服务系统(IPSS)是一种社会组织创新战略,通过将目前仅生产和销售有形产品的相互分离的工业生产与服务体系有机地整合,以比传统生产和消费模式更低的环境代价,有效满足顾客需求。作为对传统商业模式的革命性变革,整合产品服务系统是促进可持续发展和循环经济的有效手段和必由之路。本文讨论其产生的背景,给出其定义和理论框架,介绍其发展历程,以便为我国发展循环经济提供借鉴。     

结果质量与过程质量探析

服务营销专家格罗鲁斯认为，服务质量包括两方面内容：结果质量与过程质量。但对于结果质量与过程质量孰轻孰重，是一个在理论上和实际生活中都未能很好解决的问题。文章在回顾相关理论的基础上，认为判断服务结果质量与过程质量孰轻孰重不能一概而论，而应综合考虑行业、顾客和社会文化等因素，将提升服务质量的努力放在不同的方面。     

我国质量成本审计的探讨

本文根据质量成本的定义，分析质量成本的评估方法和生产过程的质量成本控制方法，进而探讨质量成本审计。