Harmful care. To what extent is terminology from medicine and clinical psychology applicable to out‐of‐home care?

Research concerning outcomes for children who have been placed in out‐of‐home care has indicated that the care may have unwanted consequences. However, there has been no coherent terminology for differentiating between different types of such unwanted consequences. In this article therefore, we attempt to disentangle different aspects of potentially harmful care for looked after children, as well as to discuss potential pathways to more systematically approach and report adverse events for this group. In this endeavour, we turn to two adjacent disciplines, medicine and psychology, where these issues have received more interest. The applicability of the concepts used in these fields is discussed, and it is concluded that although they provide some help in categorizing different aspects of harmful care, the complexity of out‐of‐home care makes existing models difficult to adopt without adjustments. This has consequences for the possibility of evaluating care in research, as well as for monitoring adverse events in practice. Importantly, the causality will often be unknown. We therefore suggest that it is essential to shed more light on how decisions should be made about when to intervene or not in out‐of‐home care, despite limited information.     

A Bias–Reduced Log–Periodogram Regression Estimator for the Long–Memory Parameter

In this paper, we propose a simple bias–reduced log–periodogram regression estimator, ^d_r, of the long–memory parameter, d, that eliminates the first– and higher–order biases of the Geweke and Porter–Hudak (1983) (GPH) estimator. The bias–reduced estimator is the same as the GPH estimator except that one includes frequencies to the power 2k for k=1,…,r, for some positive integer r, as additional regressors in the pseudo–regression model that yields the GPH estimator. The reduction in bias is obtained using assumptions on the spectrum only in a neighborhood of the zero frequency. Following the work of Robinson (1995b) and Hurvich, Deo, and Brodsky (1998), we establish the asymptotic bias, variance, and mean–squared error (MSE) of ^d_r, determine the asymptotic MSE optimal choice of the number of frequencies, m, to include in the regression, and establish the asymptotic normality of ^d_r. These results show that the bias of ^d_r goes to zero at a faster rate than that of the GPH estimator when the normalized spectrum at zero is sufficiently smooth, but that its variance only is increased by a multiplicative constant. We show that the bias–reduced estimator ^d_r attains the optimal rate of convergence for a class of spectral densities that includes those that are smooth of order s≥1 at zero when r≥(s−2)/2 and m is chosen appropriately. For s>2, the GPH estimator does not attain this rate. The proof uses results of Giraitis, Robinson, and Samarov (1997). We specify a data–dependent plug–in method for selecting the number of frequencies m to minimize asymptotic MSE for a given value of r. Some Monte Carlo simulation results for stationary Gaussian ARFIMA (1, d, 1) and (2, d, 0) models show that the bias–reduced estimators perform well relative to the standard log–periodogram regression estimator.     

Vacancy Referrals,Job Search,and the Duration of Unemployment: A Randomized Experiment

One goal of the Public Employment Service is to facilitate matching between unemployed job‐seekers and job vacancies; another goal is to monitor job search so as to bring search efforts among the unemployed in line with search requirements. The referral of job‐seekers to vacancies is one instrument used for these purposes. We report results from a randomized Swedish experiment where the outcome of referrals is examined. To what extent do unemployed individuals actually apply for the jobs they are referred to? Does information to job‐seekers about increased monitoring affect the probability of applying and the probability of leaving unemployment? The experiment indicates that a relatively large fraction (one‐third) of the referrals do not result in job applications. Information about intensified monitoring causes an increase in the probability of job application, especially among young people. However, we find no significant impact on the duration of unemployment.     

The Changing Conception of Pension Rights in Canada, Mexico and the United States

Relying on four conceptualizations of the welfare state (universalism, redistribution, state capacity, and intergenerational equity), this article presents an overview of recent pension reforms in Canada, Mexico and the United States. Each country has introduced important reforms in the past 25 years and is currently engaged in debates to make other adjustments. The state is reducing its financial and programmatic commitment towards current and future retirees and is promulgating reforms tightening the link between contributions and benefits. In Canada, the government raised contribution rates substantially to maintain the same level of benefits while it sought to alter its universal flat-rate benefit. In the USA, changes to Social Security have resulted in a higher retirement age and lower replacement rates. In the case of Mexico, the most important public schemes have actually been privatized.     

Institutionalized strategies in face-to-face encounters — rehabilitation workers and clients in a social insurance office

This article presents a decision-making model that gives a structure to institutionalized strategies used by rehabilitation workers in the face-to-face encounters with clients at a social insurance office. The model is developed from my 24 observations of encounters between rehabilitation workers and long-term sick people, and my conversations with the rehabilitation workers about their impressions of these very encounters. The strategies are tightly connected to the rehabilitation workers' efforts to convey the working-track principle. Two different main strategies have been identified. The reinforcement strategy is used when a client seems to consent to the working-track principle, and the motivating strategy is used when a client does not seem to consent. When the motivating strategy is used some dilemmas of the role of the rehabilitation workers are actualized. The dilemmas concern a tension between, on the one hand, what the rehabilitation workers are supposed to be doing (care-advocate or administer) and, on the other hand, how they are doing it (flexibly or strictly). Acting within the discrepancy of the role, the rehabilitation workers try to solve the dilemmas. Four different ideal-typical strategies have been identified: the caring professional strategy, the caring amateur strategy, the bureaucratic administrator strategy and the coordinator strategy. All of these acting strategies are represented in the observed encounters. Further studies are needed in order to make statements on the representativeness of each strategy.     

Characterizing optimality among three-decision procedures for directional conclusions

Jones and Tukey (2000) proposed three-decision procedures for directional conclusions in statistical inference, considered as an alternative to the conventional usage of one- and two-tailed significance testing. Moreover, implicit in their suggestions was to consider a procedure to be optimal in case indefinite results were minimized among all procedures with a given control of error. First, we argue by example that this characterization of optimality is not very fruitful when formalized into the strong sense of uniform minimization. Next, imposing a further regularity condition on the comparative class of procedures, we relate the suggested characterization to optimality criteria from test theory (UMP unbiasedness). Similarly, we also consider characterizing optimality in terms of maximizing correct decision rates and minimizing incorrect decision rates. Finally, we demonstrate the applicability of the three considered characterizations with respect to exponential families of distributions.     

Nietzsche’s Sociology1

The aim of this article is to present that part of Friedrich Nietzsche’s work that is of special interest to sociologists. To do this, I discuss the relationship between Nietzsche’s work and the sociology both of today and of his own time. The most important idea is that he saw reality as a social construction. The idea of social construction is related to the beliefs and values, power and interests of the actors. Nietzsche’s discussions of power and of the individual vs. the collective are also analyzed.     

Trade shows and the creation of market and industry

This study addresses the question of the constitution of markets in advanced societies. Specifically, the article studies the role of the traveling trade show in creating the real time computing market, which is part of the US electronics sector, during the mid‐1990's. Real time computing products assist the transfer, storage and processing of digital signals in real time and support many of the internet applications we use today. By applying ethnographic methods, we explore the general question of how economic actors cope with uncertainty in the phase of market‐making and at the cutting edge of technology. The paper makes two contributions to the existing literature. First, it shows that the attempt to organize a trade show in real time computing was triggered by the uncertainty experienced by sellers regarding the identity of prospective buyers and about the exact use to which they would put the emergent technology which is offered for sale. Secondly, we trace the history of an emergent market. We claim that trade shows for innovative products are important venues at which markets coalesce. The identification and ordering of market actors, the institutionalization of a distinct business culture and the social networks developed among market actors and across the subsidiary markets provided the basic social infrastructure for what later became known as the real time computing industry.     

Effects of psychosocial interventions on behavioural problems in youth: A close look at Cochrane and Campbell reviews

Research indicates that a number of psychosocial interventions are effective for reducing behavioural problems in youth. These interventions are now often included on best practice lists aiming to facilitate informed treatment choices among practitioners. However, analyses in neighbouring research areas have highlighted serious shortcomings in how primary studies are analysed and how studies are synthesised in research reviews. This study took a closer look at the evidence of efficacy for psychosocial interventions that aim to reduce behavioural problems in youth, as shown in systematic research reviews by the Cochrane and the Campbell Collaborations (n = 8). The findings suggest a bias towards overemphasising the efficacy of the interventions in several reviews, an over‐confidence in the validity of the findings in some reviews and, overall, a somewhat uncertain evidence base for the efficacy of the interventions. Systematic reviews are crucial for summarising research but more attention to methodological issues may be needed in this area.