Varian, Hal R Economics of Information Technology: An introduction - Cambridge Cambridge University Press 2004 - 102 http://www.cambridge.org/uk/catalogue/catalogue.asp?isbn=9780521605212 - Raffaele Mattioli Lecture Series . ISBN: 521605210 Subjects--Topical Terms: ECONOMICSINFORMATION TECHNOLOGY Dewey Class. No.: 338.064 VAR/E