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
A list of studies that have cited this research is available here.
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