Part of the early received wisdom about open-source was that it couldn't last: why would people donate their time and expertise to creating something for no return?
The question interested Rishab Aiyer Ghosh enough to move him from India to Europe in 2000 and from a career as a computer consultant to one in economics. "I found it more interesting to write in English than in C," he explains. He estimates that he's published over half a million words since 1990 in papers, studies, and the peer-reviewed Internet economics journal he founded.