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Abstract:How do human collectives navigate increasing regulatory challenges to maintain order and avoid dysfunction as they grow in size? Here, we quantify how measurable actions, from user-to-user interactions to top-down enforcement, scale with size in Reddit subcommunities, spanning five orders of magnitude from 10^2 to 10^7 users. We find that regulatory actions scale systematically with community size across many different topics, with consistent scaling rates and empirically grounded governance modes that distinguish how communities regulate themselves. Observed scaling exponents align with well-known laws in urban systems: superlinear growth for peer interaction and enforcement, with beta values of approximately 1.12 to 1.18, and near-linear scaling for automated bot oversight, with beta approximately 0.95 and 95% confidence intervals spanning 1.0. These regularities invite cross-system comparison as a path toward identifying whether common generative processes underlie them. We identify three empirically grounded modes of regulatory functions: Intensity, explaining 54% of the variance; One-way versus Two-way Communication, explaining 25%; and Impersonal versus Personal Moderation, explaining 21%. Our temporal analysis shows that increasing regulatory intensity is most likely absorbed by one-way coordination. These observations align with classic governance frameworks, including Ostrom's self-governance in commons and organizational theories of bureaucratic versus discretionary control, and quantify previous qualitative observations of online systems. Our findings provide an empirical starting point for understanding how different regulatory mechanisms interact in bottom-up systems as they scale.

Submission history

From: Shambhobi Bhattacharya [view email]
[v1] Mon, 15 Jul 2024 23:36:56 UTC (5,330 KB)
[v2] Fri, 17 Jul 2026 21:38:06 UTC (11,867 KB)