Alan Buxton of Where Next threw another post into the sustainability debate, reminding that auctions are only sustainable if used properly. Done wrong, they can force suppliers to lower their prices to such a degree that they risk being driven out of business (bad for economic stability) and incentivize suppliers to cut corners in order to deliver at such low prices (bad for social and environmental sustainability). However, as has been alluded to in the wiki-paper, reverse auctions can be used sustainably. As Alan points out, the key is to weight the different suppliers so they are ...