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... 3000.00 3054.47 4220.00 4519.89 6450.00 6499.55 8800.00 8693.25 11100.00 10625.38 12500.00 11686.17 11000.00 11642.59 10000.00 10809.23 9000.00 ... Param/ASE ... – PowerPoint PPT presentation

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Title: ???????


1
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2
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3
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4
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5
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10
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11
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13
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? Video Disk
Case I
Home Video
Laser Disk
DVD
Beta
VHS
Video Disk
Case II
Home Video
Video Disk
Laser Disk
DVD
Beta
VHS
21
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22
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???I ?????
A (40)
B (20)
C (20)
D (20)
???II ???? (2???????)
A (40)
B (20)
C (20)
D (20)
  • A????????????A???????????????
  • ???????

23
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    ??????????????????????????.

A (40)
B (20)
C (20)
D (20)
A?????????B????? 13.3 4020/(202020)?????????
??
24
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  • 2???????
  • Firm-oriented
  • Customer-oriented
  • Urban, Johnson and Hauser(1984), Testing
    Competitive Market Structure, Marketing Science,
    Vol. 3, No. 2, 83-112

25
Customer-Oriented ??????(Prodegy)
26
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27
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?? A B P(A,B) C D P(C,D)
A 40 0 1/3 1/3 1/2 1/6 2/3
B 20 1/2 0 1/2 3/8 1/8 1/2
C 30 4/7 2/7 6/7 0 1/7 1/7
D 10 4/9 2/9 2/3 1/3 0 1/3
28
???????(??????)
?? A B P(A,B) C D P(C,D)
A 40 0 30 0.75 6 4 0.25
B 20 12 0 0.6 4 4 0.4
C 30 5 7 0.4 0 18 0.6
D 10 1 1 0.2 8 0 0.8
29
???????(??????)
?? A B P(A,B) C D P(C,D)
A 40 0 3/4 0.75 3/20 1/10 0.25
B 20 3/5 0 0.6 1/5 1/5 0.4
C 30 1/6 7/30 0.4 0 3/5 0.6
D 10 1/10 1/10 0.2 4/5 0 0.8
30
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?? A B P(A,B) C D P(C,D)
A 40 0 1/3 1/3 1/2 1/6 2/3
B 20 1/2 0 1/2 3/8 1/8 1/2
C 30 4/7 2/7 6/7 0 1/7 1/7
D 10 4/9 2/9 2/3 1/3 0 1/3
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?? A B P(A,B) C D P(C,D)
A 40 0 3/4 0.75 3/20 1/10 0.25
B 20 3/5 0 0.6 1/5 1/5 0.4
C 30 1/6 7/30 0.4 0 3/5 0.6
D 10 1/10 1/10 0.2 4/5 0 0.8
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31
??A??????
  • ??A?????????????????(A,B)?????
  • P(A,B)1/3p
  • ??A?????????????????(C,D)?????????
  • P(C,D)2/31-p
  • ??????A??????????????????(A,B)????????p???np(1-p)?
    ????????
  • X Bin(n,p)

32
??A??????
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  • X N(np,np(1-p))
  • ??B,C?D????????????????????
  • ??
  • ???? H0 np 40/3
  • ???? H1 np gt 40/3

33
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  • ???? H0 np (40/320/230/710/3)31
  • ???? H1 np gt 31
  • ???4.45
  • ???301218868

34
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  • ????2007?10?16?

35
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36
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37
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38
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39
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40
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41
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???? ???? ??????
1996?1? 4,406 4,406
1996?2? 6,952 11,358
1996?3? 12,090 23,448
1996?4? 8,213 31,661
1996?5? 8,201 39,862
1996?6? 7,640 47,502
1996?7? 7,174 54,676
1996?8? 4,015 58,691
1996?9? 6,296 64,987
1996?10? 5,295 70,282
1996?11? 4,989 75,271
1996?12? 4,289 79,560
42
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????? 91023 0.114 0.118
???? ?? (a) (b) 100 - (b)
0 0.00 0.00 100.00
1996?1? 1 7.61 7.61 92.39
1996?2? 2 8.05 15.66 84.34
1996?3? 3 8.58 24.24 75.76
1996?4? 4 9.02 33.26 66.74
1996?5? 5 8.96 42.22 57.78
1996?6? 6 8.62 50.84 49.16
1996?7? 7 8.04 58.88 41.12
1996?8? 8 7.28 66.16 33.84
1996?9? 9 6.75 72.91 27.09
1996?10? 10 5.79 78.70 21.30
1996?11? 11 4.85 83.55 16.45
1996?12? 12 3.86 87.41 12.59
13 2.92 90.33 9.67

26 0.08 99.87 0.13
43
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44
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  • ????????????TV???????
  • ???6???????(2000?10?2001?3??????)????????????????
    ???????
  • ??????????????2001?4?2005?3??????????????????
  • ???????????????????
  • ????2007?10?23?
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