Late announcements of store closings are a smart management strategy. After all, sharing such news too soon may prompt a loss of sales staff and disrupt the closing sales by their absence. It is a tricky job to keep co-workers on the job while a store closes. Often there are job-openings in nearby stores that could be offered to loyal associates and a store management would want to have that option to retain strong performers.
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Source: https://www.forbes.com/sites/walterloeb/2022/01/10/macys-closing-more-stores--question-is-only-when/?sh=68030d2c58ce
On the other hand, I think that late announcement is anything but a SMART management strategy.