Information economy report 2007-2008 [documento elecrónico] : science and technology for development the new paradigm of ICT / United Nations Conference on Trade and Development
Markups in the Euro area and the US over the period 1981-2004 [documento electrónico] : a comparison of 50 sectors: working paper series No. 856 / January 2008 / Rebekka Christopoulou and Philip Vermeulen
Os desafios da economia da informação / Associação para a promoção e desenvolvimento da sociedade de informação; coord. Joaquim Alves Lavado
E-readiness rankings 2008 [documento electrónico] : maintaining momentum / Economist Intelligence Unit