Using 500 words of references and notes, to explain both a grapevine and an informal grapevine within the workforce and also offers some suggestions from the experts to counter its adverse effects.
As you discuss what a grapevine is, this article is helpful:
Rakes, T. A., & Cox, G. C. (1993). Using the `grapevine' to effect change in schools. Clearing House, 67(1), 17.
Research shows that an informal grapevine happens when a "network arises spontaneously and is situationally derived (Hellweg 1983)." Specifically, it tends to emerge under certain conditions: "(1) when formal channels are too rigid or narrow; (2) when critical information is withheld from subordinates in an effort to assert power; (3) when employee positions allow too much free time on the job; or (4) when employees are subject to feelings of job insecurity as frequently occurs when an organization is undergoing restructuring."
Another article defines it broadly:
Therrien, D. (2004). Rid your office of backstabbers. Canadian Business, 77(23), 109-110.
Therrien contends that "The corporate grapevine is an invisible flow of rumor, innuendo and speculation. It weaves its way through all levels of ...
This solution incorporates 500 words of references and notes to briefly define both a grapevine and an informal grapevine within the workforce. It also provides some suggestions from the experts to alleviate its negative effects on workers, management, and the overall organization.