Digitalization is a set part of today's society and even luxury brands feel the increasing need of a digital presence. More than half of all consumers of luxury goods buy them online on a regular basis. The luxury fashion brand Chanel still abstains from offering their most important items in...

Trust is a concept that has attracted significant attention in economic theory and research within the last two decades: it has been applied in a number of contexts and has been investigated both as an explanatory and as a dependent variable. In this paper, we explore the questions of what...

We examine the scope and value of targeted advertising in the magazine industry. We use data on reader characteristics at individual media, in contrast to previous work that has needed to infer this information from aggregate data. Our results show a strong relationship between subscriber...

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...

Theory predicts a positive relationship between market concentration and profitability in most scenarios. In empirical work, however, this relation is frequently not found or only a weak connection is observed. We compare the performance of concentration and market share variables, which are...

Die vorliegende Arbeit beschreibt die Konzeption und Erhebung der ZEW-Gründerstudie. Bei dieser im Jahre 1999 am ZEW durchgeführten telefonischen Unternehmensbefragung wurde auf Basis der ZEW-Gründungspanels Ost und West eine geschichtete Stichprobe von 12.000 Unternehmen gezogen. Für diese...