Some robust design strategies for percentile estimation in binary response models

For the problem of percentile estimation of a quantal response curve, the authors determine multiobjective designs which are robust with respect to misspecifications of the model assumptions. They propose a maximin approach based on efficiencies which leads to designs that are simultaneously efficient with respect to various choices of link functions and parameter regions. Furthermore, the authors deal with the problems of designing model and percentile robust experiments. They give various examples of such designs, which are calculated numerically.     

Designing Experiments with Respect to 'Standardized' Optimality Criteria

We introduce a new class of `standardized' optimality criteria which depend on `standardized' covariances of the least squares estimators and provide an alternative to the commonly used criteria in design theory. Besides a nice statistical interpretation the new criteria satisfy an extremely useful invariance property which allows an easy calculation of optimal designs on many linearly transformed design spaces.     

Muscle pain and coping with working life in Norway: A review

This paper reviews ongoing research initiated by the Norwegian Research Council for Science and Humanities aimed at improving Health and Living Conditions (HEMIL). Attempts to classify muscle pain states are reviewed, and the pathophysiology and psychophysiology of the condition are evaluated. The psychological aspects are emphasized, in particular relationships to coping resources, coping strateges and to what extent the individual feels able to cope with the environment. Also reviewed are multidisciplinary approaches to treatment, aimed at both psychological and physical aspects. Interventions involving physical as well as psychological training seem to have the best effects. The contribution from physical load is moderate, except for static muscle work. There is a growing concern that the response from the welfare society may produce attitudes that are counterproductive for prevention and treatment. Do we over-react and impose disease concepts on regular complaints that may be a part of normal life?.     

Evidence maps: communicating risk assessments in societal controversies: the case of engineered nanoparticles

The transparent and fair characterization of scientific evidence for reporting the results of a hazard assessment is a demanding task. In this article, we present an approach for characterizing evidence--the evidence map approach. The theoretical starting point is to view evidence characterization as a form of argumentation. Thus, evidence maps are designed to depict the evidence base, the pro and con arguments, and the remaining uncertainties, which together lead experts to their conclusions when summarizing and evaluating the scientific evidence about a potential hazard. To illustrate its use, the evidence maps approach is applied to characterizing the health-relevant effects of engineered nanoparticles. Empirical data from an online survey suggests that the use of evidence maps improves the reporting of hazard assessments. Nonexperts prefer to receive the information included in an evidence map in order to come to an informed judgment. Furthermore, the benefits and limitations of evidence maps are discussed in the light of recent literature on risk communication. Finally, the article underlines the need for further research in order to increase quality of evidence reporting.     

SCHOOL ATTENDANCE AND CHILD LABOR—A MODEL OF COLLECTIVE BEHAVIOR

This paper investigates how community attitudes affect school attendance and child labor and how aggregate behavior of the community feeds back on the formation of schooling attitudes. The theory takes aggregate and idiosyncratic poverty into account as an important driver of absence from school and provides an explanation for why equally poor villages or regions can display very different attitudes towards schooling. Distinguishing between three modes of child time allocation, school attendance, work, and leisure, the paper shows how child labor productivity and the time costs of schooling contribute to the existence of a locally stable antischooling norm and how policy can exploit social dynamics and help a community to escape permanently from low attendance at school and child labor.     

Operational Entrepreneurship: How Operations Management Research Can Advance Entrepreneurship

In this article, we introduce the notion of operational entrepreneurship—the selection and management of transformation processes for recognizing, evaluating, and exploiting opportunities for potential value creation—to offer examples of research opportunities at the interface of entrepreneurship and operations management. Specifically, we believe that operations management has been under‐utilized for gaining a deeper understanding of (i) the knowledge and motivation required for opportunity recognition, (ii) evaluations of a recognized opportunity to determine if it represents an opportunity for the specific entrepreneur, and (iii) the role that feedback from an exploitation of a current opportunity plays in the recognition and evaluation of subsequent opportunities. We also introduce (but not develop) the notion of entrepreneurial operations.     

Der „Kleine Mann“ und die AfD: Was steckt dahinter?

Critics of my work have found a negative effect of the social status on the likelihood of someone voting for the AfD. However, these findings do not sufficiently confirm the Modernisation Losers’ thesis that I had formulated and testest in this journal in 2017. The reason is that attitudes towards society vary dependent on social status, and these attitudes have no reference to economic modernisation. When controlling the influence of these attitudes in multivariate analyses, status effects will disappear. One of these attitudes is the rejection of refugees: AfD voters often perceive refugees as competitors for scarce resources and a threat to the cultural homogeneity of German society. This means that the effect of social status on the intention of voting for AfD is mediated by attitudes towards immigration. I find evidence for this thesis in some of the contributions of my critics and in new analyses based on the German Social-Economic Panel (GSOEP). My conclusion is that a policy of redistribution will not be suitable for winning back AfD voters, because it misses the decisive motive for their voting.     

Multiscale change point detection for dependent data

In this article we study the theoretical properties of the simultaneous multiscale change point estimator (SMUCE) in piecewise-constant signal models with dependent error processes. Empirical studies suggest that in this case the change point estimate is inconsistent, but it is not known if alternatives suggested in the literature for correlated data are consistent. We propose a modification of SMUCE scaling the basic statistic by the long run variance of the error process, which is estimated by a difference-type variance estimator calculated from local means from different blocks. For this modification we prove model consistency for physical-dependent error processes and illustrate the finite sample performance by means of a simulation study.