文章名:Markets for Information Goods,
作者:Hal R.Varian,University of California,Berkeley,
出版时间:April 1998 (revised:October 16,1998)
版权:Copyright © 1993,1994,1995,1996,1997,Nikos Drakos,Computer Based Learning Unit,University of Leeds.
文章名:Markets for Information Goods,
作者:Hal R.Varian,University of California,Berkeley,
出版时间:April 1998 (revised:October 16,1998)
版权:Copyright © 1993,1994,1995,1996,1997,Nikos Drakos,Computer Based Learning Unit,University of Leeds.