• The stronger the WTA-like situation, the stronger the influence of first-mover advantage.
  • The advantage depends on the imitatorā€™s cost of imitation and the predecessorā€™s cost of research.
  • If easily imitated, the imitator has an advantage
    • Predecessors will no longer bear the cost of research
    • So we grant monopoly rights through patents.
  • When imitation and research costs are comparable
    • It does not particularly serve as a barrier to entry.
    • A set of monopoly and public disclosure through patents contributes to lowering the cost of imitation.
  • A situation where advantage is even more advantageous. - network effect
    • Imitation alone does not produce the utility of network effects.
      • Example: If a competitor launches a service with the exact same functionality as Twitter after Twitter becomes widely used, no one will move to the competitorā€™s side.
    • Some kind of differentiation can cause people to move.
      • For example, it used to be possible to speak freely, but now that the rules have become stricter, it has become uncomfortable.
        • [As we saw in Why do social networking sites rise and fall?

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