Shaping Collaborative Actions in Self‐Initiated Versus Mandated Collaborations2026-06-11·640 字·2 分钟Polihot 公共政策 公共行政 中国研究 Collaborative Governance River Chief System Mandates Self-Initiated Collaboration Panel AnalysisPSJ — 2026-06-11 Original Shaping Collaborative Actions in Self‐Initiated Versus Mandated Collaborations