Groupon - Cool Business Model
chrisbrogan.com
chrisbrogan.com
The actual effects of having a threshold are twofold: 1) First of all, it encourages people to tell their friends to participate 2) It creates the illusion of a group discount where none exists. A big discount might tarnish a business' reputation, but if there is a "group discount," people understand. When you think about it, there is actually no economy of scale about a business offering several hundred coupons valid for a six-month window.
It's brilliant marketing, though.
http://www.marginalrevolution.com/marginalrevolution/2005/05...
http://en.wikipedia.org/wiki/Assurance_contract
A system that was (theoretically) better at funding public goods than taxation would compete in some rather large markets.
Last time this happened: http://news.ycombinator.com/item?id=692644
I think the answer to the the question I asked then might be "yes." :)
(They still have a ways to go for profitability, though... 40 people on staff while the items are usually under $100 and have less than 1000 purchasers. Still, they've made it much further than my old client did.)
(Yup, I worked on that one too, although very briefly.)