數(shù)字經(jīng)濟(jì)的概念和特征韓文版ppt課件

1、 202120211. 2. 3. 1 1 1. 1. 2. 2. 3. 3. 2 2 1 1 2 2 3 3 4 4 1 1 2 2 3 3 3 3 1 1 2 2 3 3 IT IT 5 5 IT IT 1 1 2 2 3 3 4 4 B2C B2C 5 5 B2B, e-MarketplaceB2B, e-Marketplace6 6 M commerceM commerce6 6 1 1 2 2 3 3 4 4 (Marketing Mix) (Marketing Mix) 5 5 6 6 , , 7 7 1. 1. 2. 2. 1. 1. 20%20%2. 2. 40%, 40%,

2、40% 40% 1 1 1. 1. 2. 2. 3. 3. l (IT)(IT) l , , l , , TV TV l . . l l . . . . , , , , l : : l Data: Data: l : Justified true belief(: Justified true belief( ) )l A. Marshall: A. Marshall: l l = * * : : * * : : * * : : * * : : * * : : * * : : : : (goods) (goods) (service)(service) * * : : : : ( (, , ,

3、)+)+( (, , ) ) : : = = , , ( () ) : : = = ( (, , ) ) * * : : , , = = + + A AB BC Cl 3 3 l 1919-20-20 19801980 l , , , , l 19901990 (BC 700) (1760) (1990) , () () , , off-Line on-Line, off-Line on-Line , , , , 1950 1950 , , ( () ) 1980 1980 CD CD ( () ) MPEG MPEG 1990 1990 TransistorTransistor PCPCCD

4、CDMPEGMPEG ( ( ) )GSM/CDMAGSM/CDMAV-CDV-CD Network PC IMT2000 DTV Network PC IMT2000 DTV : MPEG: MPEG(Moving Picture Experts Grou(Moving Picture Experts Group)p) MPEG1, MPEG2MPEG1, MPEG2 MPEGMPEG4 4 1946 1946 ENIAC ENIAC 5,0005,000 / / 3 3, , 5050 PCPC 4 4 (400 MIPS) /(400 MIPS) / 1980 1980 1 PAGE 1

5、 PAGE / / 9 9 / / 5,0005,000 3838 . . TV TV 1313 PC PC 5,0005,000 1616 . . 5,0005,000 3838 . . TV TV 1313 5,0005,000 4 4 . . (digital)(digital) (analog)(analog) . . 0 0 1 1 . . , , ) ) 0 0 1 1 . . ( (, , ) ) . . , , , , + 1+ 1 0 0 0 0 - - : : : : : : : : : : , , , , , , 0 0 1 1 2 2 bit bit , , , , ,

6、 , , , , , , , . . , , . . , , . . , , l l , , l l 1.1. 2.2. =l 19571957 l =ARPA =ARPA l l 8080 TCP/IPTCP/IP l 1994 1994 TCP/IPTCP/IP l , , l l , , , NASDAQ, NASDAQ IPOIPO l l , , , , , , ( ( ) ) l l l IBMIBM MSMS IBMIBM 2 2 1 1 2 2 3 3 4 4 AOLAOL MS MS GE. GE. SonySony/ / ( () ) PCPC(AOL)(AOL) (MS)

7、(MS) : : AOL: AOL: MS: MS: : : : : : : . . GE: B2B GE: B2B Sony: Sony: l 1 1 : : l l l l 19991999 ( () ) , , l l AOLAOL l l l , AOL, AOL 1 1 MS-DOS, MS-DOS, (Lock-in)(Lock-in) 19951995 19971997 barnes and noblebarnes and noble , , bnbn , , CD, CD, /DVD, /DVD, , , , , , , , , 2 2 3 3 GE GE / / TPN(Tr

8、ading Process Network) TPN(Trading Process Network) 30% 30%, , 60% 60% 21 21 “Digital Dream KidsDigital Dream Kids PC PC ( ( , 99), 99) 出市出市 4 4 , , , , , , . . . . . . , , , , , , . . . . , , , , . . . . , , . . , , (cyber)(cyber) . . , , , , , , , , . . . . , , , , . . (business model) (business m

9、odel) , , . . , , , , , , . . , , , , , , . . , , , , . . , , , , , , , , . . , , , , . . , , . . . . , , , , , , . . . . . . , , , , , , ( (, , , , , , , , ) ) ( (, , , , , , , , ) ) ( (, , , , , , , , ) ) , , , , , , , , (/pubs_pdf/kim/kim-p02-1.pdf)(/pubs_pdf/kim/k

10、im-p02-1.pdf) Robert M. Solow (1987) Robert M. Solow (1987) We can see all the computer age everywhere but in the productivity We can see all the computer age everywhere but in the productivity statistics. = statistics. = 1999.4.14. 1999.4.14. “The New York TimesThe New York Times “ . . IT IT . . :

11、: IT IT - - ( ( ) ) (Network externalities) (Network externalities) (Spillover) (Spillover) - - : IT: IT - - - - - - - - , , - - - - - - , , - - * * : : / / ( (* * ) ) (Productivity Paradox)(Productivity Paradox) 1970 1970 IT IT 1990 1990 1960 1960 (Oliner & Sichel, (Oliner & Sichel, , Jorgenson & Stiroh), Jorgenson & Stiroh) (Diffusion hypothesis)(Diffusion hypothesis) (Capital Stock hy