Volume 21, Issue 1

Editorial 21/1
Hubert Österle, Hans-Dieter Zimmermann and Rainer Alt

20 Years of Research in Electronic Markets and Networked Business: An Interview with Thomas Malone and retrospective views by JoAnne Yates and Robert Benjamin
Rolf T. Wigand

Twenty years of electronic markets research—looking backwards towards the future
Rainer Alt and Stefan Klein

Co-authorship networks in electronic markets research
Kai Fischbach, Johannes Putzke and Detlef Schoder

A virtual competition auction model for perishable products
Shouhong Wang and Hai Wang

Reaching into patients’ homes – participatory designed AAL services
The case of a patient-centered nutrition tracking service
Philipp Menschner, Andreas Prinz, Philip Koene, Felix Köbler and Matthias Altmann, Helmut Krcmar and Jan Marco Leimeister