Sustainability when capital management has stochastic consequences

Sustainability is usually defined as a requirement of each generation to manage its stocks of man-made and natural capital such that the utility that it ensures itself can be shared by all future generations. Here we extend this definition to the case where capital management does not have deterministic consequences. A characterization is offered where the sustainability of one generation's behavior can be determined by comparing its utility with the utility of the succeeding generation, provided that the latter behaves in a sustainable manner. The properties of the definition are investigated and illustrated. Received: 26 April 1994/Accepted: 15 April 2002     

Marital status and subjective well-being: A changing relationship?

It is well established in the literature that married people have a higher level of subjective well-being than the never married, widowed, or divorced/separated. However, previous research has yielded conflicting results on changes in the relationship between marital status and well-being. American happiness data in particular provide evidence of a declining relationship, whereas other studies suggest the opposite trend. The present study analyzes time trends in the relationship between marital status and two outcome measures, suicide rates and self-reported distress. The hypothesis that the relationship between marital status and these well-being indicators has declined during the last 10–20 years is clearly rejected. There is even some evidence that the relative position of never married men has become more unfavorable during this period. However, the causal interpretation of these trends is problematic.     

Mending the gaps in social work education and research: two examples from a Swedish context

ABSTRACT

The gap-mending concept is an analytical tool that helps teachers and researchers in social work to reflect upon what, in their practice, increases, maintains or mends gaps between professionals and service user groups. The article suggests a theoretical background on how gaps in social work practice can be challenged. This includes theories about power and recognition. It then moves on to describe the development of gap-mending strategies in research and education at the School of Social Work at Lund University. Lund University was one of three partners that took the initiative to the international network PowerUs that has focused on gap-mending strategies in social work education. The authors have been working over 10 years in collaboration with service user participation in the education of social workers and in different research projects. In the article, they give examples of gap-mending practices and of challenges that they have faced. The first example is an experimental course that has been given since 2005 where social work students study together with students from service user organizations in a university course. The second example is an attempt to combat homelessness in several Swedish municipalities. Supported by researchers, the development project has been a collaboration between homeless groups, politicians and social workers.     

Groups discipline resource use under scarcity

Theory and Decision - Scarcity sharpens the conflict between short term gains and long term sustainability. Psychological research documents that decision makers focus on immediate needs under...     

A Study of a Network Meeting: Exploring the Interplay between Inner and Outer Dialogues in Significant and Meaningful Moments

The present study is part of a series of qualitative studies focusing on dialogic practice in southern Norway. In this article, we present a qualitative study of a network meeting focusing on the interplay between the participants' inner and outer dialogues. The network meeting is between an adolescent boy, his mother and two network therapists, the same adolescent case discussed previously in this journal by Bøe et al. ( 2013 ). The aim of this study is to explore how the interplay between inner and outer dialogues contributes to significant and meaningful moments for the interlocutors. A multiperspective methodology is used that combines video recordings of a network meeting and participant interviews with text analysis. Our research found the interplay has an important role in understanding the emergence of significant and meaningful moments in therapy. A one‐sided focus on participants' utterances or inner dialogues was insufficient to explain their significance and meaning to the interlocutors. A dialogical approach provides a theoretical frame and concepts that are useful in investigations of therapeutic conversations.     

Violent youth groups in Indonesia: the cases of Yogyakarta and Nusa Tenggara Barat

Problems of violent youth groups have escalated in Indonesia, following economic recession, unemployment, and weakened state institutions. Young people have been hit by the lack of income and broken expectations. In consequence, youth groups emerge and arrange for members' economic revenue as well as identity creation and confidence. Religion in some cases is used to legitimize violence and to strengthen the boldness of group members. The paper offers a brief overview of gangster (preman) traditions in Indonesia. Empirical findings on violent youth groups in the two selected provinces are presented within a multi-factor analytical framework, where the need for income and identity strengthening, political élite interests, and the lack of law enforcement contribute to explaining criminal and vigilante violence. Interviews with leaders and members of movements engaged in violent actions offer insights into a problem that threatens national security and control.     

Helping families when child sexual abuse is suspected but not proven

This paper reports from a project investigating reactions within families when intra‐familial child sexual abuse was suspected, and family members’ responses to a therapeutic approach. Data were obtained from therapeutic sessions and follow‐up interviews with mothers, children and alleged perpetrators. Before treatment the mothers felt uncertain as to how to interpret the children’s unclear signs. The children had severe symptoms, but had seldom disclosed abuse. The alleged perpetrators were often not informed about the suspicions. The families were in a state of crisis and shock, and communication within the family was characterized by uncertainty about what to talk about and whether the suspicions should be shared. In most cases after treatment the conflicts had been reduced, the children had few symptoms, supervised contact had been established, and the clients were satisfied with the treatment. One conclusion is that therapeutic sessions, where family members share information about concerns and take part in the decisions of how to protect children, seem relevant and helpful to the clients in unclear abuse cases.     

Predictors of gambling problems among male adolescents

The study concerns prediction of gambling problems in 178 male adolescents (aged 16 and 18 years) who completed a questionnaire, which included the South Oaks Gambling Screen (SOGS), a version of the Temperament and Character Inventory and a number of questions concerning social background, emotional and life-style factors. About 27% of the boys gamble at least weekly. As many as 16% qualify as probable pathological gamblers according to the SOGS. Another 7% are at risk. None of the social background factors are related to severity of gambling problems. The only significant family factor is parental substance misuse. The optimal multivariate model predicts about 30% of the variance in gambling problems. The strongest factor is frequency of alcohol drinking. Several factors indicate a personality with problems in relations to others. Another factor indicates a dreamy personality. Unexpectedly, impulsiveness is not related to gambling. In conclusion, problem gambling among male adolescents is related to life-style and personality, especially in relation to others, but not to usual social background factors. Gamblers are asocial rather than impulsive. The nature of this finding should be further explored, since an asocial personality may point at genetics as well as to early social influences, as may the finding on the relation between gambling and parental drinking.     

Tractable Consideration Set Structures for Assortment Optimization and Network Revenue Management

Discrete‐choice models are widely used to model consumer purchase behavior in assortment optimization and revenue management. In many applications, each customer segment is associated with a consideration set that represents the set of products that customers in this segment consider for purchase. The firm has to make a decision on what assortment to offer at each point in time without the ability to identify the customer's segment. A linear program called the Choice‐based Deterministic Linear Program (CDLP) has been proposed to determine these offer sets. Unfortunately, its size grows exponentially in the number of products and it is NP‐hard to solve when the consideration sets of the segments overlap. The Segment‐based Deterministic Concave Program with some additional consistency equalities (SDCP+) is an approximation of CDLP that provides an upper bound on CDLP's optimal objective value. SDCP+ can be solved in a fraction of the time required to solve CDLP and often achieves the same optimal objective value. This raises the question under what conditions can one guarantee equivalence of CDLP and SDCP+. In this study, we obtain a structural result to this end, namely that if the segment consideration sets overlap with a certain tree structure or if they are fully nested, CDLP can be equivalently replaced with SDCP+. We give a number of examples from the literature where this tree structure arises naturally in modeling customer behavior.