Model-based potential analysis of the distribution logistics: a case study

Abstract

The design of its distribution logistics has a decisive influence on a company’s logistical costs and performance. They therefore make an essential contribution to corporate success. This article describes a method for analysing the potential of distribution logistics in terms of logistical costs and performance. In contrast to previous procedures of business process re-engineering, this method maps distribution logistics holistically under variable distribution structures. The article is focused on the approach and results of a case study in a multinational manufacturer of propulsion and automation technologies for machine construction and systems engineering. The developed method is distinguished by a high degree of practicality and applicability. It will contribute to a more efficient design of distribution logistics.     

Risk-Based Analysis of the Danish Pork Salmonella Program: Past and Future

The Danish pork Salmonella control program was initiated in 1993 in response to a prominent pork-related outbreak in Copenhagen. It involved improved efforts at slaughter hygiene (postharvest) and on-farm (preharvest) surveillance and control. After 10 years, 95 million Euros, significant reductions in seropositive herds, Salmonella positive carcasses, and pork-attributable human cases (PAHC), questions have arisen about how best to continue this program. The objective of this study was to provide some analysis and information to address these questions. The methods used include a computer simulation model constructed of a series of Excel workbooks, one for each simulated year and scenario ( http://www.ifss.iastate/DanSalmRisk ). Each workbook has three modules representing the key processes affecting risk: seropositive pigs leaving the farm (Production), carcass contamination after slaughter (Slaughter), and PAHC of Salmonella (Attribution). Parameter estimates are derived from an extensive farm-to-fork database collected by industry and government and managed by the Danish Zoonosis Centre ( http://www.food.dtu.dk ). Retrospective (1994–2003) and prospective (2004–2013) simulations were evaluated. The retrospective simulations showed that, except for the first few years (1994–1998), the on-farm program had minimal impact in reducing the number of positive carcasses and PAHC. Most of the reductions in PAHC up to 2003 were, according to this analysis, due to various improvements in abattoir processes. Prospective simulations showed that minimal reductions in human health risk (PAHC) could be achieved with on-farm programs alone. Carcass decontamination was shown as the most effective means of reducing human risk, reducing PAHC to about 10% of the simulated 2004 level.     

Overeducated Workers as an Insurance Device

Empirical findings show that firms frequently employ overeducated workers. Since overeducated workers earn more than adequately educated ones working in similar jobs these findings seem to be puzzling. In this paper, we introduce an insurance approach to explain the employment of overeducated workers. Referring to this approach, overeducated workers are employed by a firm to avoid high losses in the case of a crisis (e.g. when the production process breaks down). Contrary to adequately educated workers, overeducated ones may be helpful in this situation by quickly offering improvisatorial solutions. First, we use a simple model to demonstrate the insurance argument. Second, we test the major implication of the model empirically by using industry panel data: if and only if high‐skilled workers are employed for insurance purposes, the average wage of high‐skilled workers in firms that need insurance will be lower compared with firms that do not need insurance. The data confirm this theoretical result.     

The value of a player in n-person games

. The article decomposes the Shapley value into a value matrix which gives the value of every player to every other player in n-person games. Element Φ_ij(v) in the value matrix is positive, zero, or negative, dependent on whether row player i is beneficial, has no impact, or is not beneficial for column player j. The elements in each row and in each column of the value matrix sum up to the Shapley value of the respective player. The value matrix is illustrated by the voting procedure in the European Council of Ministers 1981–1995. Received: 9 September 1998/Accepted: 11 February 2000     

Religion und Bildungserfolg im Migrationskontext – Theoretische Argumente,empirische Befunde und offene Fragen

Religion has received extensive attention as a factor influencing immigrants’ integration. This paper examines the role of religion in explaining ethnic educational inequalities in Germany. Due to a general lack of research in this field, the paper provides an overview of existing empirical findings, specifies theoretical arguments on how religious affiliation, belief and participation possibly affect educational achievement among children of immigrants. Using data from the first wave of the “Children of Immigrants Longitudinal Survey in four European Countries” collected in 2010/11 the paper tests key arguments on the influence of religion on the educational attainment among 14-year-old immigrant and non-immigrant students at German schools. Compared to other religious groups, Muslims display lower rates of educational achievement. However, this can be largely explained by their social background and is independent from their levels of individual religiosity. Interestingly, individual religiosity has a positive effect on the educational achievement among Protestant students, whether with or without a migration background.     

The Viability of Career Maturity Theory: A Developmental—Contextual Perspective

The critical role of the timing of person—context interactions is important in the conceptualization of the school-to-work transition. It is argued that career maturity, with its focus on the individual and its ties to stage models and notions of age-appropriateness, gives insufficient attention to the particular contexts of time and culture within which it may be observed. The use of recent advances in developmental theory is suggested as a viable alternative for understanding developmental transitions. Findings from the research literature and from a recent study of young adults from former East Germany and former West Germany are cited in support of this proposal. These findings highlight limitations of the construct of career maturity in showing how individual differences and contextual factors contribute to the school-to-work transition in contrasting environments of former East and West Germany.     

What's on Their Minds? The South African Child Welfare Academic Agenda from 2001 to 2010

Social work teaching and research is assumed to impact significantly on practice, readying students for employment and investigating areas relevant to practice. In South Africa, the historic divergence between the academic agenda and population needs is significant. In a context of transformation towards developmental social welfare, this paper investigates the extent to which tertiary education as well as research agendas match what South African child welfare practitioners have identified as priorities in the field. In a study examining trends and drivers in South African child welfare, it was found that the curriculum was largely being informed by the same trends that shaped practice. However, the research agenda differed markedly from the issues concerning practitioners. Also, practitioners thought that new graduates were ill-equipped to deal with practice demands in resource-poor and transforming (post-apartheid) environments. It is recommended that South African academics and practitioners ensure that child welfare curricula, academic enquiry and practice demands overlap more closely in order to better prepare novice social workers and provide leading research. With globalization and the increased need to respond to diverse populations, it becomes critical that social work education is reviewed both in the north and south to ensure its relevance for practice.     

Religion und Gesellschaft – Aktuelle Perspektiven

Increasing public attention to religious questions has in the past years re-invigorated the sociology of religion. As an introduction to the present special issue we outline some institutional and intellectual developments of German language sociology of religion since the post-war period. We furthermore highlight five current trends of the subdiscipline that pertain to the concept of religion, to debates over secularization, to methodological questions of sociological explanation, to interdisciplinary research on religions under conditions of globalization, and to the refinement of quantitative as well as qualitative research methods. Having argued that these trends attest to an increasingly global-comparative approach, we conclude with some research perspectives for future sociology of religion.