DAVID V. GIBSON is with the IC2 Institute, the University of Texas, Austin.
CHANDLER STOLP is Associate Professor of Public Affairs and Director of the Inter-American Policy Studies Program, LBJ School of Public Affairs, University of Texas, Austin.
PEDRO CONCEICÃO is with the Center for Innovation, Technology and Policy Research, Instituto Superior Técnico, Lisbon, Portugal.
MANUEL V. HEITOR is with the Center for Innovation, Technology and Policy Research, Instituto Superior Técnico, Lisbon, Portugal.