We examine some of the factors that might influence the quality of information produced in discussion groups on the internet, such as USENET and the WELL. In particular, we look at the impact of various different pricing structures, and compare regimes in which anonymity is enforced with regimes...

Increasingly, development projects list social capital development and network brokerage among their objectives.  How do we quantitatively evaluate such initiatives?  Best practice, diff-in-diff methods may be impossible or too costly.  Here, we try using data that are byproducts of the...