Brem, AlexanderAlexanderBremIvens, Björn SBjörn SIvens0000-0001-8510-52122019-09-192015-09-1420130976-545Xhttps://fis.uni-bamberg.de/handle/uniba/39514engDo Frugal and Reverse Innovation Foster Sustainability? : Introduction of a Conceptual Frameworkarticle