TY  - BOOK
AU  - Varian, Hal R.
AU  - Shapiro, Carl
TI  - Economics of information technology: introduction
T2  - Raffaele Mattioli lecture series 
SN  - 0521605210
U1  - 338.47004 
PY  - 2004///
CY  - Cambridge
PB  - Cambridge Univ. Press, 
KW  - Information technology -- Economic aspects
KW  - Computer Industry
N1  - Includes bibliographical references (p. 87-96) and indexes
ER  -