Platform Papers | Joost Rietveld | Substack

Platform Papers 2025 Year-in-Review

The state of platform competition research in 2025.

Dec 23, 2025

The Hidden Cost of Inconsistent Platform Governance

What we can learn from Amazon Marketplace sellers about trust erosion and how misconduct spreads on digital platforms.

Dec 9, 2025

The Price of Platform Participation

Goodreads’ introduction of paid giveaways reveals how charging for discovery affects ecosystem diversity and match quality.

Nov 20, 2025

Making B2B Platforms Work

B2B platforms aren’t just small B2C platforms in disguise

Oct 28, 2025

Why Ninja's sudden defection to Mixer made Twitch streamers less productive

Oct 7, 2025

Most Popular

Jun 11, 2025

Rethinking Market Power in the Digital Platform Era

Feb 27, 2025

Five Ways to Boost Platform Growth

Oct 31, 2024

Demand Spillovers in Digital Platforms

Feb 4, 2025

Platform Papers

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