This research was published more than 5 years ago, some information may be out of date.

The Report on Progress in Inclusive Finance 2014 summarises data submitted by 52 investors on their implementation of the Principles for Investors in Inclusive Finance (PIIF). The results are encouraging; Investors are transparent, they measure and integrate social performance, include client protection measures into investment policies, work to expand the range of financial services, take board compensation and composition seriously, and collaborate to harmonise standards. 

From original article:
"The focus for further implementation should be around improving the range of services, upgrading governance practices of investee retail institutions, broadening and deepening the integration of environmental issues and the formalisation of fair treatment practices. Overall, investors can support their investee retail institutions and encourage them to join in collaborative industry initiatives."