For many services, consumers can choose among a range of optional tariffs that differ in their access and usage prices. Recent studies indicate that tariff-specific preferences may lead consumers to choose a tariff that does not minimize their expected billing rate. This study analyzes how...

The attempts by Schulze, Warning, and Wiermann (2008) and Ritzberger (2008) to develop a joint ranking list of journals for economics and business research are critically evaluated. The results show a lack of sufficient knowledge of the quality of business journals. Based on these obscure...

This issue offers for the first time supplementary material to articles. It consists of Excel files providing data the research is based on, calculation sheets, and optimization tools. Moreover, text files with pseudo code of algorithms and data of instances used for testing these algorithms as...