Im Fokus der vorliegenden Arbeit steht die Problematik einer betriebswirtschaftlichen Definition des Dienstleistungsbegriffs. Trotz der großen Zahl ökonomischer Definitionsansätze herrscht in den Wirtschaftswissenschaften bzw. in der BWL noch kein Konsens bezüglich der zentralen...

Positivity has been heralded for its individual, social and organizational benefits. Although past studies have shed light on how positivity reinforces itself in individuals, researchers have not shown how positivity dynamically occurs and unfolds within the flow of team interactions. We address...

This paper offers two innovations for empirical growth research. First, the paper discusses principal components augmented regressions to take into account all available information in well-behaved regressions. Second, the paper proposes a frequentist model averaging framework as an alternative...

In this paper we put forward a Bayesian Model Averaging method dealing with model uncertainty in the presence of potential spatial autocorrelation. The method uses spatial filtering in order to account for different types of spatial links. We contribute to existing methods that handle spatial...