US-China Study Group on G-20 Reform: Final Report ReportFebruary 13, 2013 US-China Study Group on G-20 Reform: Final Report The China Institutes of Contemporary International Relations, the Center for American Progress, and the Stanley Foundation formed a study group to evaluate the role of the G-20 in the U.S.-China bilateral relationship and the influence of the relationship on the G-20, and to propose recommendations that could improve the efficacy of this important body. Feb 13, 2013 the China Institutes of Contemporary International Relations, Center for American Progress, the Stanley Foundation