Tetsushi Sonobe and Keijiro Otsuka are Professors of Economics at National Graduate Institute for Policy Studies (GRIPS), Tokyo. They received their PhD from Yale University and the University of Chicago, respectively. They are co-authors of Cluster-Based Industrial Development: An East Asian Model (Palgrave Macmillan, 2006) and Cluster-Based Industrial Development: A Comparative Study of Asia an Africa (Palgrave Macmillan, 2010).