As mixture regression models increasingly receive attention from both theory and practice, the question of selecting the correct number of segments gains urgency. A misspecification can lead to an under- or oversegmentation, thus resulting in flawed management decisions on customer targeting or...

In 2002, CICEM Ltd. 1 , a worldwide recognized chemical producer located in Asia, initiated the development of new kind of plastic foil suitable for packaging bitumen into plastic bags. Bitumen is one of the oldest mineral oil products won during the refining of crude oil. Typical application...

Thema dieses Papers sind die Bestimmungsfaktoren der Mediaselektion und ihr Bezug zu theoretischen Konzepten. Die Bestimmungsfaktoren der Mediaselektion lassen sich in qualitative und quantitative Kriterien untergliedern. Als wichtigstes Kriterium konnte in zahlreichen Umfragen die...