US-China Study Group on G-20 Reform: Final Report ReportFeb 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, the Center for American Progress, the Stanley Foundation