1. Achleitner, A., Heinecke, A., Noble, A., Schöning, M., and Spiess-Knafl, W. (2011). “Unlocking the Mystery: An Introduction to Social Investment.” Innovations: Technology 6, 41–50.
2. Working Paper 2012–05;L Agnew,2012
3. Austin, J., Stevenson, PL, and Wei-Skillern, J. (2006). “Social and Commercial Entrepreneurship: Same, Different, or Both?” Entrepreneurship Theory and Practice 30, 1–22.
4. Bacon, C. (2005). “Confronting the Coffee Crisis: Can Fair Trade, Organic, and Specialty Coffees Reduce Small-Scale Farmer Vulnerability in Northern Nicaragua?” World Development 33, 497–511.
5. Bagnoli, M., and Watts, S. (2003). “Selling to Socially Responsible Consumers: Competition and the Private Provision of Public Goods.” Journal of Economics and Management Strategy 12, 419–45.