The traditional techniques of calculating quantity and price variances for analyzing deviations of realized profit contribution (actual) from the planned profit contribution only offer the benefit of identifying areas where problems may exist, rather than diagnosing the causes of these problems....

Die urbane Mobilität hat sich in den letzten Jahren stark gewandelt. Hierzu tragen vermehrt die aufkommenden Sharing-Angebote bei. Neben dem schon länger betriebenen Carsharing kam vor einigen Jahren das Bikesharing und nun auch das Ridesharing und E-Scootersharing hinzu. Die Akzeptanz dieser...

Comparing groups with respect to hypothetical constructs requires that the measurement models are equal across groups. Otherwise conclusions drawn from the observed indicators regarding differences at the latent level (mean differences, differences in the structural relations) might be severly...