"Customer retention rate" is used in the marketing industry to describe how many customers a company has retained over a specific period. A customer retention rate can help understand how successful a company's marketing campaigns are and how well they are managing customer relationships.

Retailers should pay attention to their customer retention rates as it can help them identify areas where they need to make improvements and allocate resources more effectively.

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Some factors that can affect a customer's decision to stay with a retailer include the quality of the product or service, the ease of use of the website or store, the speed of delivery, and the price. Retailers need to keep these factors in mind when designing their customer experiences so that they can keep customers returning.

There are several benefits to having a high customer retention rate. First, it can show that a company's marketing campaigns are successful and that they can attract new customers. Second, it can help retailers identify areas where they need to improve their customer service or product offerings. 

Finally, it can help retailers save money on advertising and logistics costs by keeping customers longer. Retailers who want to improve their business should pay attention to their customer retention rates and make necessary changes.

You can even search online for more information about customer retention rates.