Examples of studies that have used these numbers

Social and Political Forces as Determinants of Poverty

Rupasingha, Anil and Stephan J. Goetz; Journal of Socio-Economics, 36, 4 (Aug. 2007): 650-671

The Production of Social Capital in US Counties

Rupasingha, Anil, Stephan J. Goetz and David Freshwater; Journal of Socio-Economics, 35 (2006): 83-101

Wal-mart and Social Capital

Goetz, Stephan J. and Anil Rupashinga; American Journal of Agricultural Economics, 88, 5 (December 2006): 1304-1310.

Social Capital and Economic Growth: A County-Level Analysis

Rupasingha, Anil, Stephan J. Goetz, and David Freshwater; Journal of Agricultural and Applied Economics, 32, 3 (2000) 565-72