- Berry, J.M. (2016) 'Negative Returns: The Impact of Impact Investing on Empowerment and Advocacy', PS: Political Science & Politics, 49(3), pp. 437-441. doi: 10.1017/S1049096516000664. This article has been published in a revised form in PS: Political Science & Politics [doi: 10.1017/S1049096516000664]. This version is free to view and download for private research and study only. Not for re-distribution, re-sale or use in derivative works. © American Political Science Association 2016.