A polynomial goal programming approach to a class of quality control problems

The traditional quality control approach based on statistical tools has been very useful and effective when output and input qualities can be denned in terms of a single characteristic. However, in process industries such as paper, the output quality is denned in terms of two or more distinct characteristics; hence, reducing the deviation of one output characteristic from its permissible limits could result in forcing other output and/or input characteristics to deviate from their respective limits. Compounding this phenomenon is the fact that most of these industries produce substantial amounts of pollutants whose characteristics are a function of the input and output characteristics. Thus, with increasing costs of waste treatment and stringent pollution standards, there arises a notion of a trade-off between attaining market specified output characteristics and meeting federally regulated pollution standards.In this article a general process quality control problem has been formulated that reflects the above trade-off both in terms of a linear and a polynomial goal programming problem. Major advantages and differences between the two formulations are highlighted and illustrated with a practical example drawn from the paper industry.Three separate cases each with different priorities assigned to the output, pollutant and input characteristics are developed and solved under both formulations. Based on the analysis it is observed that the different solutions that result are contingent on the assumptions concerning the priorities associated with each goal and the manner by which one chooses to incorporate tradeoffs between goals in the objective function. Additionally, it is found that the solutions obtained under polynomial goal programming formulation are more conducive for implementation in practical quality control contexts.     

Fatal attraction: Using distance to measure contagion in good times as well as bad

This paper proposes a new measure of contagion that is good at anticipating future vulnerabilities. Building on previous work, it uses correlations of equity markets across countries to measure contagion, but in a departure from previous practice measures contagion using the relationship of these correlations with distance. Also in contrast to previous work, our test is good at identifying periods of “positive contagion,” in which capital flows to emerging markets in a herd-like manner largely unrelated to fundamentals. Identifying such periods of “fatal attraction” is important as they provide the essential ingredients for subsequent crises and rapid outflows of capital.     

Inventory of differential items selling from two shops under a single management with periodically increasing demand over a finite time-horizon

Inventories of differential items including the defective ones purchased/produced in a lot and sold from two shops (primary and secondary shops) under a single management are considered here over a finite time-horizon. A primary shop receives the differential units in a lot but sells only the non-defective ones whose demand periodically increases with time and decreases during the shortage period in such a way that it comes back to the initial value at the beginning of the next cycle. Hence in this shop, shortages are allowed and fully backlogged. Moreover, at the beginning of the next cycle, the retailer purchases purely non-defective units at a higher price to meet up the shortage amount along with the usual lot of differential units for regular sale. The defective units identified at the time of selling at the primary shop are continuously transferred to the adjacent secondary shop from which the defective ones are sold at a reduced price after some rework. Normally, the price of a defective item is fixed depending upon the quantum of its defect and people go for these items if they are cheap. Hence, demand for these units is dependent on the selling price, which is again inversely proportional to the rate of defectiveness. There may be five scenarios for dealing with defective units depending upon the coincidence of the time periods at two shops. For all scenarios, problems have been mathematically formulated and solved by the use of both parametric study and a gradient-based non-linear optimisation method. The models are illustrated with the help of numerical examples.     

Comparing the Value Relevance of Two Operating Income Measures

Prior research has shown that pro-forma (recurring operating) earnings reported by managers and analysts are more value relevant than GAAP net income. Since GAAP net income contains many non-operating items that reduce its value relevance compared to operating earnings, comparing the value relevance of GAAP net income with operating earnings unduly favors operating earnings. We show that operating earnings reported by managers and analysts are more value relevant than a measure of operating earnings derived from firms' financial statements, as reported by Standard and Poor's. Our evidence is important because it indicates that operating earnings reported by managers and analysts contain value relevant information beyond that provided by operating earnings obtained by sophisticated users from firms' financial statements.     

Demographic trends and the impact of family welfare programmes in India

The authors examine population growth trends and evaluate family planning programs in India. They note that despite intensified efforts and government claims of increased acceptance of family planning, the birth rate has remained stationary since 1977.     

COVID-19 Vaccination Effect on Stock Market and Death Rate in India

Asia-Pacific Financial Markets - The COVID-19 epidemic has brought attention to the vulnerability of new illnesses, and immunization remains a viable option for resuming normal life. This paper...     

Partner Characteristics,Information Asymmetry,and the Signaling Effects of Joint Ventures

We provide theory and evidence regarding the signaling effects of joint venture (JV) announcements. We argue that when a firm characterized by information asymmetry with respect to the stock market announces a JV, the growth opportunities and the quality of resources of the partner provides a signal to investors about the true value of the firm. Our study shows that (i) apart from synergies, JV announcements impact firm value also because of the information they convey about future growth opportunities; and (ii) JVs may not only validate but also ‘invalidate’ the quality of a firm by revealing that it is unable to attract strong partners. Copyright © 2011 John Wiley & Sons, Ltd.     

The coordination strategies of high-performing salespeople: internal working relationships that drive success

The authors fill a gap in the salesperson performance literature by exploring the process that salespeople follow in coordinating the activities of ad hoc team members during high-opportunity customer engagements in the business market. In a two-phase study, the authors conduct depth interviews with salespeople and survey sales managers from a Fortune-100 company to identify the processes involved in the coordination of expertise. In Phase I, analysis of qualitative data reveals that higher-performing salespeople are more likely to (1) consider relational as well as technical skills when matching team members to customer requirements, (2) attract their preferred experts to the team, including a member to perform the project manager role, and (3) define the appropriate time in the sales cycle to initiate contact with the customer and deploy the team to the customer organization. Adopting a social network perspective in Phase II, the reputation of a salesperson’s internal working relationships and, to a lesser extent, the diversity and strength of their relationship ties are central in explaining effective coordination of expertise. In turn, coordination of expertise is linked to salesperson performance.     

A Paradigm for Development and Promulgation of a Global Code of Marketing Ethics

This paper provides a paradigm for evaluating the factors that affect the development of a global code of ethics in marketing. Based on a review of the literature pertaining to global codes of ethics, we examined the potential for the development and acceptance of a universal code of ethics in the international marketing arena. Towards that end, we suggest that any global code of ethics in marketing should consider two levels – normative guidelines and specific behaviors. A discussion detailing the factors that can impede the development of such a two-tiered code is included as well. Those factors being moral reasoning, organizational ethical climate, level of economic development and cultural dimensions. Finally, the feasibility and the possible outcomes of a global code of ethics in marketing is examined.