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American University is a student-centered research institution located in Washington, DC, with highly-ranked schools and colleges, internationally-renowned faculty, and a reputation for creating meaningful change in the world.
International patent protection: 1960–2005 Walter G. Park ∗
Department of Economics, American University, 4400 Massachusetts Avenue NW, Washington, DC 20016, USA
Received 24 October 2007; received in revised form 14 December 2007; accepted 29 January 2008 Available online 10 March 2008
A Knoema é a fonte mais abrangente do mundo de business intelligence global. Nossas ferramentas permitem que indivíduos e organizações explorem, visualizem, modelem e apresentem seus dados e dados mundiais para facilitar melhores decisões e melhores resultados.