infonet-economy

In the face of growing complexities, agents who lead or manage organizations must revert to better models. This proposition is based on the Conant/Ashby Theorem, which says that the results of a management process are determined by the quality of the model on which that process is based. The author proposes that archetype-based modeling is a promising way to enhance the behavioral...

Nach einer Klassifikation von Quellen der Unsicherheit (I) und einer Betrachtung von Unsicherheit im wirtschaftlichen Kontext (II) werden vier Arten von Unsicherheiten näher betrachtet. III. Die Datenunsicherheit, verbunden damit das Modellrisiko. IV. Zufall
und Risiko: Entscheidungen unter Risiko, das Risikomanagement der Unternehmung und der Zusammenhang zwischen Risiko und...

This study investigates the efficiency of markets as to the relative pricing of similar risk by using implied volatilities of options on highly correlated indexes and a statistical arbitrage strategy to profit from potential mispricings. It first analyzes the interrelationships over time of the 3 most highly correlated and liquid pairs of US stock indexes. Based on this analysis, the...

Psychiatric and psychological assessment after parasuicide is characterized by a number of difficulties. The interview is a strategically complex task for the patients trying to accommodate the wishes of the psychiatrist/psychologist and their own goals. The psychiatrist/ psychologist on the other hand needs to gain information about the event and the patient's mental state, has...

In the second part of the 1990's Switzerland conducted an ambitious active labour market policy (ALMP) encompassing a wide variety of programmes. We evaluate the effects of these programmes on the individual employment probability of potential participants. Our econometric analysis uses unusually informative data origi-nating from administrative unemployment and social security...