Both buyers and sellers of second-hand goods can use multiple auction websites w...

MarkMc on July 23, 2015 | parent | context | favorite | on: Uber has defeated Bill de Blasio’s plan to rein th...

Both buyers and sellers of second-hand goods can use multiple auction websites without much hassle, yet eBay still has a natural monopoly due to network effects. I doubt the network effect for uber is as strong as ebay, but I wouldnt completely dismiss it either.