TY - GEN T1 - The economics of open source hijacking and declining quality of digital information resources :a case for copyleft / AU - Ciffolilli, Andrea, N1 - This article was downloaded and printed from the RePEc online archive (Research Papers in Economics). The author is from the Department of Economics, Universita Politecnica delle Marche, Ancona, Italy. This version of the paper is from April 29, 2004. ID - 13593 KW - Copyright. KW - COPYRIGHT KW - PUBLIC DOMAIN KW - OPEN SOURCE SOFTWARE (COMPUTERS) KW - INTERNET KW - ECONOMICS OF INFORMATION TI - The economics of open source hijacking and declining quality of digital information resources :a case for copyleft / ER -