"Added value is what makes the difference for the consumer"
Crossref DOI link: https://doi.org/10.1007/s38313-016-0099-x
Published Online: 2016-08-12
Published Print: 2016-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Westerhoff, Martin
Mölgg, Peter
License valid from 2016-08-12
