Drawing on insights from network dynamics and exchange theory, I develop and test arguments for the retention or dissolution of exchange relationships. I exploit mergers and acquisitions among advertising firms as strategic actions that change the networks in which they and their clients are...

To reduce vulnerability to exchange relationship loss when executives leave, firms often form multiple ties to the same exchange partners. Despite the assumed importance of interorganizational multiplexity for relationship retention, theory and evidence of its effect are lacking. Analysis of a...