Competition into Toll Booths
(ChatGPT)
How it happens in markets
A firm becomes the gatekeeper to customers—because of network effects, exclusive contracts, control of standards, or vertical integration—and then:
- Imposes mandatory fees on each sale or interaction (“platform tax”).
- Raises switching costs so users and sellers can’t easily go elsewhere.
- Preferences its own products at the gate (self-preferencing).
- Limits alternative routes (blocking interoperability or rival distribution).
Common examples
- App/platform stores: Developers must use the platform’s store and payment system and pay a percentage on every sale.
- Payment rails: A few networks take a cut of most card transactions because merchants can’t realistically avoid them.
- Ticketing/venues: One gatekeeper controls venues and ticketing, so artists and fans pay high fees.
- Search/marketplace ranking: The gate decides who is seen first—then sells access or favors its own listings.
- Patents + “evergreening”: Extend exclusivity on essential drugs to keep generics out, turning access into a toll.
Why it’s a problem
- Prices go up (fees passed to consumers).
- Innovation slows (best way to grow is to tax the route, not build a better product).
- Newcomers are fenced out (can’t reach customers without paying the gatekeeper).
Quick test: is this a toll booth?
- Is there a must-pass chokepoint to reach customers?
- Does one firm set the terms and take a cut on most transactions?
- Are workarounds blocked or punished? If yes to all three, competition has been converted into toll booths.
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