On the role of data,statistics and decisions in a pandemic

AStA Advances in Statistical Analysis - A pandemic poses particular challenges to decision-making because of the need to continuously adapt decisions to rapidly changing evidence and available...     

Seat Biases in Proportional Representation Systems with Thresholds

In proportional representation systems, apportionment methods are used to convert the number of votes of a party into the number of seats allocated to this party. An interesting characteristic of any such method are the seat biases, that is, the expected differences between the actual seat allocation and the ideal share of seats, separately for each party, when parties are ordered from largest to smallest. For electoral systems with a threshold, that is, with a minimum percentage of votes that parties must reach in order to be eligible to participate in the apportionment process, we show that seat biases decrease from their maximum to zero, as the threshold increases from zero to its maximum, and that all seat biases decrease linearly.     

A non standard χ2-test of fit for testing uniformity with unknown limits

A χ²-test of fit for testingH ₀ “X～U(a,b), a,b unknown” is suggested. It is nonstandard because the usual regularity assumptions are not satisfied. The asymptotic distribution of the test statistic underH ₀ is derived. The error probabilities of the first kind are investigated by Monte Carlo simulation for samples of small and medium size.     

BRIEF FAMILY-FOCUSED INTERVENTION ON THE PEDIATRIC CANCER UNIT

Behavioral problems that frequently occur in pediatric cancer treatment settings, such as food refusal and the resistance to treatment, have been successfully treated utilizing family therapy techniques. The theoretical background that supports this mode of intervention and several case studies are presented.     

Countertransference reactions in therapeutic work with incestuous sexual abusers

The study was a qualitative investigation aimed at therapists' responses to working with a population of incestuous sexual abusers. Semi-structured interviews were conducted with nine therapists who were recruited from psychotherapy, psychology, and forensic psychology services in the National Health Service (NHS) in the UK. The predominant therapeutic model was psychodynamic; however, cognitive-behavioural and integrative approaches were practiced by some therapists. The data were analyzed using interpretative phenomenological analysis (Smith, 1996). Results suggested that the therapists experienced a considerable amount of negative and difficult feelings and that they tended to experience feeling controlled and deceived, which seemed to influence their ability to create and maintain the therapeutic relationship. It was suggested that the dynamics of incestuous sexual abuse played a part in these difficulties. The results are discussed with reference to the clinical therapeutic literature.     

Determinanten der Vorstandsvergütung

Using a novel, hand-collected data set covering all German non-financial firms listed in the Prime Standard of FWB (Frankfurt Stock Exchange), we examine determinants of executive compensation in German listed firms. We distinguish three potential determinants: firm characteristics, firm performance, and corporate governance characteristics. While we find that simple firm characteristics like size and industry affiliation together with time effects explain more than 60 % of variation in overall compensation, performance characteristics are economically inconsequential for the explanation of compensation levels. When we distinguish between widely held firms and firms with a large blockholder, we find that the latter grant compensation packages that are smaller, less sensitive to the firm’s stock market performance but more sensitive to the firm’s operating performance. Finally, we confirm that supervisory board characteristics also affect the level of executive compensation in German firms. Overall, our findings suggest that although the corporate governance environment in Germany has changed dramatically during the last decade, German listed firms are still exposed to high agency costs.