数字经济的概念和特征韩文版.ppt

,2010,1.2.3.,1,1.2.3.,2,1 2 3,4,1 2 3,3,1 2 3 IT,5 IT,1 2 3 4 B2C 5 B2B,e-Marketplace6 M commerce,6,1 2 3 4(Marketing Mix)5 6,7,1.2.,1.20%2.40%,40%,1,1.,2.,3.,(IT),TV.,1,.,:Data:,:Justified true belief()A.Marshall:=,1,*:*:*:*:*:*:,:(goods)(service)*:(,)+(,):=,():=(,)*:,=+,1,A,B,C,1,3 19-20 1980,1990,3,1,off-Line on-Line,1950,()1980 CD()MPEG 1990,1,Transistor,PC,CD,MPEG,(),GSM/CDMA,V-CD,Network PC IMT2000 DTV,:MPEG(Moving Picture Experts Group)MPEG1,MPEG2 MPEG4,1,1946 ENIAC 5,000/3,50,PC 4(400 MIPS)/,1980 1 PAGE/,9/,5,000 38.TV 13,PC 5,000 16.,5,000 38.TV 13,5,000 4.,1,(digital)(analog).0 1.,)0 1.,(,).,+1 0 0-,1,:,:,:,:,:,1,1,1.,2.,(procsumer=producer+consumer),3.,(),1,IT IT,+,=,1957=ARPA 80 TCP/IP,1,1994 TCP/IP,NASDAQ IPO,(),IBM MS IBM 2,1,1:1999(),AOL,AOL,1,1,MS-DOS,(Lock-in),1,1995 1997 barnes and,CD,/DVD,2,3,GE/TPN(Trading Process Network)30%,60%21“Digital Dream Kids”PC”(,99)出市,1,4,2,.,.,.,.,2,.,.,.,2,(cyber).,.,.(business model),.,2,.,.,.,2,.,.,.,2,.,.,2,2,(,)(,)(,),(),Robert M.Solow(1987)We can see all the computer age everywhere but in the productivity statistics.=1999.4.14.“The New York Times”“.IT.”,2,:IT-()(Network externalities)(Spillover)-:IT-,-,-,-,-,2,*:/,(*),(Productivity Paradox)1970 IT 1990 1960(Oliner&Sichel,Jorgenson&Stiroh)(Diffusion hypothesis)(Capital Stock hypothesis)(Measurement hypothesis)(Gordon),(1960)-IT-Stock-,2,IT,:,2,IT,