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030 Department Bulletin Papers = 本学紀要論文
*Hitotsubashi journal of economics
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Identifier to cite or link to this item: https://doi.org/10.15057/22027
Identifier to cite or link to this item: https://hdl.handle.net/10086/22027
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cover_22027
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pdf
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Title
Anti-competitiveness of Instant Messenger Tying by Microsoft
Creator
Creator Name
Kim, Jaehong
Kim, Jaehong
Affiliation
Affiliation Name
Handong University
Creator Name
Bang, Se Hoon
Bang, Se Hoon
Affiliation
Affiliation Name
Korea Development Institute
Creator Name
Hwang, Sunjoo
Hwang, Sunjoo
Affiliation
Affiliation Name
University of Texas at Austin
Key Word
Microsoft
instant messenger
tying
foreclosure
multi-homing
JEL
L12
L41
L86
Abstract
In this paper, we theoretically analyze Microsoft's tying practice in the instant messenger market. Using a model that highlights distinct features of the instant messenger, which are different from the cases of the web browser and the media player, we show that Microsoft can leverage its monopoly power in the operating system (OS) market to the instant messenger market through tying strategy. Microsoft's messenger tying hurts consumers because it enables Microsoft to monopolize messenger market and so fully exploit consumer's willingness to pay to the OS-messenger bundle. However, since tying saves installing costs, consumer loss is not so serious that total surplus improves under messenger tying. Finally we show that such results are robust to the possibilities of multi-homing in the instant messenger market.
Publisher
Hitotsubashi University
Issued Date
2011-12
Language
English(eng)
Resource Type
departmental bulletin paper
Version Type
VoR
selfDOI
10.15057/22027
ISSN
0018-280x
NCID
AA00207547
Source Title
Hitotsubashi Journal of Economics
Volume Number
52
Issue Number
2
Page Start
185
Page End
198
Appears in Collections
Vol. 52, no. 2 (Dec. 2011)
URL
https://hdl.handle.net/10086/22027
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