There’s an interesting discussion at Overcoming Bias about a study that finds no significant different between outcomes (under specific circumstances) of patients treated by more expensive doctors and those treated by less expensive nurse practitioners.
In the case of practically any other human endeavor, a throng of enterprising individuals would jump in to try to take [...]

In an earlier post (Peer-Production and the Extent of the Market), I had suggested that perhaps peer-production efforts did not necessarily represent a non-market phenomena, but may instead represent an adaptation to insufficient market extent. A weakness in that argument is the fact that market size is clearly not an issue for the notable peer-production [...]