References


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Beck, T., Clarke, G. Groff, A. Keefer, P. and Patrick Walsh (2001): “New tools in comparative political economy:
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Cingranelli and Richards (2008): CIRI Human Rights Data Project: http://ciri.binghamton.edu/
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Marshall and Jaggers (2003): Polity IV Project: http://www.systemicpeace.org/polity/polity4.htm.

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Red Iberoamericana de Indicadores de Ciencia y Tecnología (RICYT):
http://bd.ricyt.org/explorer.php/query/submit?excel=on&indicators[]=GASPBI&syear=1990&eyear=2008&
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UNCTAD:
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UNESCO:
http://stats.uis.unesco.org/unesco/TableViewer/document.aspx?ReportId=136&IF_Language=eng&BR_Topic
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USPTO: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/h_at.htm#PartA1_1a.

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