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Knowledge / Business & Entrepreneurship

Marketplace Businesses

Businesses connecting multiple participant groups where network liquidity determines value.

By Siddhant Krishna · Published 2026-10-06 · Updated 2026-10-06

01

Liquidity

A marketplace is useful when participants can reliably find suitable counterparties. Early marketplaces face a cold-start problem because supply and demand each depend on the existence of the other.

02

Cold Start

  • Concentrate geographically.
  • Manually recruit supply.
  • Create demand directly.
  • Focus on a narrow niche.
  • Subsidize or simplify one side where justified.
  • Solve trust and transaction friction.

References

  1. Y Combinator's public library of startup advice, lectures, essays, fundraising resources, and founder education.
    https://www.ycombinator.com/library/
  2. Paul Graham, Y Combinator Startup Library.
    https://www.ycombinator.com/library/96-do-things-that-don-t-scale

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