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...

In economies with a growing service sector, the importance of intangible assets like brands, customer relationships, and organizational capabilities is rapidly increasing, as is the importance of information and knowledge for the production of goods and services. New concepts in such areas as...

Immer mehr Unternehmen und Privatpersonen nutzen das World Wide Web als Kommunikationsmittel. Es liegt daher nahe, das neue Medium auch in der Markt- und Sozialforschung einzusetzen. Auf der Basis einer Potenzialanalyse im Lichte der modernen Markt- und Sozialforschung untersucht Axel Theobald...

This paper investigates if significant differences exist between online and paper & pencil participants in a quarterly business survey in the German business-related services sector when respondents may freely choose to respond either online or by more conventional methods. It also analyzes the...

Der 2009 im Handel durchgeführte "Test des Tests" durchlief bis zur endgültigen Version verschiedene Konzeptionsphasen. Zunächst wurden die Fragebögen der früheren Meta-Umfragen als Orientierungsmaßstab insbesondere hinsichtlich Zielvorstellung, Wortlaut und Umfang herangezogen und auf die...

Kassenboehmer and DeNew (2012) claim that there is no well-being age U-shape effect for Germany, when controlling for fixed effects and respondent experience and interviewer characteristics in the German Socio-Economic Panel, 1994-2006. We re-estimate with a longer run of years and restrict the...

This paper investigates if significant differences exist between online and paper & pencil participants in a quarterly business survey in the German business-related services sector when respondents may freely choose to respond either online or by more conventional methods. It also analyzes the...