01.4.3 · Skill in Market research
Market structure
Who the players are, how value flows, and who holds power in a market.
Market structure describes buyers, sellers, intermediaries and how money moves between them. Some markets are dominated by a few platforms, others are fragmented. It shapes which business models and distribution channels are realistic.
Resources
3- articleStart hereTAM, SAM, and SOM: how to size your market ↗Stripe · 2026 · 15 min
Clear definitions of the three numbers and the common mistakes, such as a market defined far too broadly.
- articleGo deeperAggregation theory ↗Ben Thompson · 2015 · 8 min
How the internet shifted power in many markets from suppliers to whoever owns the user relationship.
- articleGo deeperThe network effects bible ↗NFX · 2019 · 30 min
The different kinds of network effects and how strong each one is, from investors who study them.
Tools
none yetTools for this topic are being researched.