This paper evaluates alternative strategic models of competition and market structure in online retailing, and makes comparisons with traditional retailing. Online consumers are less concerned than traditional consumers about spatial characteristics and more concerned about hidden quality...

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...