DS_10.1177_0001839219834011 – Supplemental material for How to Join the Club: Patterns of Embeddedness and the Addition of New Members to Interorganizational Collaborations ZhangLei GulerIsin 2019 <p>Supplemental material, DS_10.1177_0001839219834011 for How to Join the Club: Patterns of Embeddedness and the Addition of New Members to Interorganizational Collaborations by Lei Zhang and Isin Guler in Administrative Science Quarterly</p>