von Hippel, Eric; Franke, Nikolaus; Prügl, Reinhard - In: Research Policy 38 (2009) 9, pp. 1397-1406
The need to economically identify rare subjects within large, poorly mapped search spaces is a frequently encountered problem for social scientists and managers. It is notoriously difficult, for example, to identify "the best new CEO for our company," or the "best three lead users to participate...