HKS Faculty Research Working Paper Series HKS Working Paper No. (162 and RWP08-030) June 2008 Download PDF HKS Authors See citation below for complete author information. Robert Lawrence Albert L. Williams Professor of International Trade and Investment Ricardo Hausmann Rafik Hariri Professor of the Practice of International Political Economy Citation Hausmann, Ricardo, Bailey Klinger, and Robert Z. Lawrence. "Examining Beneficiation." Center for International Development and HKS Faculty Research Working Paper Series (162 and RWP08-030), June 2008.