In the research paper "Personalized Dynamic Pricing of Limited Inventories" by Aydin and Ziya (2007), the authors note: [I]mplementing personalization [with regard to pricing] to such a full extent may be impractical. Instead, a seller may want to use a personalization strategy where there is an announced price and single discount level that can possibly be offered to a customer depending on the signal from the customer."
Source: G. Aydin and S. Ziya (2009), "Personalized Dynamic Pricing of Limited Inventories," Operations Research, Vol. 57, No. 6, November/December, pp. 1523-1531.
An everyday example of this would be a discount on:

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Offering a discount on movie tickets when the customer signals that he or she is a student is an example of using a personalization strategy where there is an announced price and a single discount level that can possibly be offered to a customer depending on the signal from the customer. This is a practical way of implementing personalized dynamic pricing of limited inventories without overcomplicating the process. The other options do not align with the practical approach suggested in the research paper.

In the Research Paper "Personalized Dynamic Pricing of Limited Inventories