Zusammenfassung Aufgrund der arbeitsintensiven Dienstleistungen eines Call Centers ist die auf die Optimierung der Personalkosten zielende Personalbedarfs- und Personaleinsatzplanung eine wichtige Aufgabe des Call Center-Managements. In diesem Beitrag wird die Grundkonzeption eines Prognose- und...

Abstract Population aging challenges pay-as-you-go pension systems. Solving the associated funding problem constantly motivates reform processes. In addition to an aging population, specific regulations of the German public pension system lead to an increasing financial burden of national...

We examine how a Japanese firm can derive the most value from a captive insurance company. We use actual data on losses, captive operating costs, interest rates and foreign exchange rates to simulate cash flows from a hypothetical pure captive. We examine three domiciles popular with Japanese...

Abstract In July 2003 a new Road Code was approved by the Italian parliament. Among other changes, the law states that on three-lane motorways the right lane should not be reserved anymore to slow vehicles. The model developed in this paper casts doubts on the wisdom of such a change, suggesting...

Abstract Purpose: The nested case–control study design, in which a fixed number of controls are matched to each case, is often used to analyze exposure–response associations within a cohort. It has become common practice to sample four or five controls per case; however, previous research has...

Abstract Theory and simulations show that variables affecting the outcome only through exposure, known as instrumental variables (IVs), should be excluded from propensity score (PS) models. In pharmacoepidemiologic studies based on automated healthcare databases, researchers will sometimes use a...