Дополнительную информацию о компании Opower см. в Cuddy A. J. C., Doherty K. & Bos M. W. OPOWER: Increasing energy efficiency through normative influence (A). Harvard Business School Case 911–016 (2010, Revised 2011); Bos M. W., Cuddy A. J. C. & Doherty K. OPOWER: Increasing energy efficiency through normative influence (B). Harvard Business School Case 911–061 (2011); Navigant Consulting. Evaluation Report: OPOWER SMUD pilot year 2 (2011, February 20). Взято по адресу: http://opower.com/company/library/verification-reports?year=2011; Allcott H. (2011). Social norms and energy conservation. Journal of Public Economics, 95, 1082– 1095; Ayres I., Raseman S. & Shih I. (2009). Evidence from two large field experiments that peer comparison feedback can reduce residential energy usage (2009, July 16). Fifth Annual Conference on Empirical Legal Studies Paper. Взято по адресу: http:// papers.ssrn.com/sol3/papers.cfm?abstract_id=1434950.
