Final answer:
A retrenchment strategy is characterized by significant cost reductions, layoffs, closures, and selling off unprofitable product lines or services.
Step-by-step explanation:
The characteristic described in the question, which includes cost reductions, layoffs, and closures, is indicative of a retrenchment strategy. Retrenchment involves making significant changes to a company in order to improve financial stability and profitability. Examples of retrenchment strategies include closing poorly performing stores, laying off employees, and selling off unprofitable product lines or services.