Frankfurt.
And we're in the last paper session at Prosumer Revisited, which is kicked off by conference chair Birgit Blättel-Mink whose interest here is in the sustainability potential of online trading using eBay. This work is part of a larger research project which examines the online used car trade in Germany. For the purposes of this project, prosuming using eBay is defined as usage of the site to buy and sell products - a more active form of usage which also leads to the more frequent trading on and trading in of products.