a Brazilian higher education institution. Its original goal was to train people for the country's public- and private-sector management. Today it hosts faculties (Law, Business, Economics, Social Sciences and Mathematics), libraries, and also research centers in Rio, São Paulo and Brasilia. It is considered by Foreign Policy magazine to be a top-five "policymaker think tank" worldwide. The Igarapé Institute is a Brazilian think tank focusing on public, climate, and digital security. Public opinion A poll by the British firm Cast From Clay found that only 20 percent of Americans trust think tanks. See also Collective intelligence Futurists Internet think tanks List of think tanks Lobbying Mass collaboration Mass communication Overton window School of thought Strategic studies TED (conference) References Further reading Abelson, Donald E. Do Think Tanks Matter? Assessing the Impact of Public Policy Institutes. Montreal: McGill-Queen's University Press, 2002. Arin, Kubilay Yado: Think Tanks, the Brain Trusts of US Foreign Policy. Wiesbaden: VS Springer 2013. Boucher, Stephen, et al., Europe and its think tanks; a promise to be fulfilled. An analysis of think tanks specialised in European policy issues in the enlarged European Union, Studies and Research No 35, October, Paris, Notre Europe, 2004 PDF Cockett, Richard, Thinking the unthinkable: think tanks and the economic counter revolution; 1931–1983, London: Fontana, 1995. Dickson, Paul. "Think Tanks". New York: Ballantine Books, 1972. 397 pages. Goodman, John C. "What is a Think Tank?" National Center for Policy Analysis, 2005. Fan, Maureen. "Capital Brain Trust Puts Stamp on the World", Washington Post (16 May 2005): B01. Patrick Dixon. Futurewise – Six Faces of Global Change – issues covered by Think Tanks and methodology for reviewing trends, impact on policy 2003): Profile Books Kelstrup, Jesper Dahl (2016): The Politics of Think Tanks in Europe. Abingdon & New York: Routledge. Lakoff, George. Moral Politics: What Conservatives Know That Liberals Don't. Chicago: University of Chicago Press, 1996. Ladi, Stella. Globalisation, Policy Transfer And Policy Research Institutes, Edward Elgar, 2005. McGann, James (2006) Comparative Think Tanks, Politics And Public Policy, Northampton, MA: Edward Elgar Publishing Mendizabal, Enrique and Kristen Sample (2009) "Dime a quien escuchas... Think Tanks y Partidos Politicos en America Latina", ODI/IDEA: Lima Medvetz, Thomas (2012) "Think Tanks in America ", Chicago, IL: University of Chicago Press. Phelps, Richard P. (2015). The Gauntlet: Think Tanks and Federal Research Centers Misrepresent and Suppress Other Education Research New Educational Foundations, 4. Ranquet, Robert. Think Tanks and the