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SUMMARY:SEGMENTATION VERSUS AGGLOMERATION: COMPETITION BETWEEN PLATFORMS W
 ITH COMPETITIVE SELLERS - Martin Peitz\, Mannheim
DTSTART:20190220T123000Z
DTEND:20190220T140000Z
UID:TALK118501@talks.cam.ac.uk
CONTACT:Emily Brown
DESCRIPTION:For many products\, platforms enable sellers to transact with 
 buyers. We show that the competitive conditions among sellers shape the ma
 rket structure in platform industries.\n\nIf product market competition is
  tough\, sellers avoid competitors by joining different platforms. This al
 lows platforms to sustain high fees and explains why\, for example\, in so
 me online markets\, several homogeneous platforms segment the market.\n\nI
 nstead\, if product market competition is soft\, agglomeration on a single
  platform emerges\, and platforms fight for the dominant position. These i
 nsights give rise to novel predictions. For instance\, market concentratio
 n and fees are negatively correlated in platform industries\, which invert
 s the standard logic of competition.
LOCATION:W2.01\, Cambridge Judge Business School
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