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-Marketplace 6 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 ,(, , , , ) (, , , , ) (, , , , ) , , , , , , (/pubs_pdf/kim/kim-p02-1.pdf), ,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 h