来源 Ghana Centre for Democratic Development (CDD, Ghana), Institute for Justice and Reconciliation in South Africa (IJR, South Africa), Institute for Empirical Research in Political Economy (IREEP, Benin), Institute for Development Studies (IDS, Kenya), Michigan State University (MSU, United States),

来源 Facebook, The Organisation for Economic Co-operation and Development (OECD), World Bank

来源 Aart C. Kraay, Daniel Kaufmann and Massimo Mastruzzi

来源 Branko L. Milanovic