Wikipedia:Wikipedia Signpost/2013-12-04/Recent research

Reciprocity and reputation motivate contributions to Wikipedia; indigenous knowledge and "cultural imperialism"; how PR people see Wikipedia: Wikipedia works on the efforts of unpaid volunteers who choose to donate their time to advance the cause of free knowledge. This phenomenon, as trivial as it may sound to those acquainted with Wikipedia inner workings, has always puzzled economists and social scientists alike, in that standard Economic theory would not predict that such enterprises would thrive without any form of remuneration.