Customer value management as a core competency refers to the ability to effectively and efficiently manage which of the following:

Product management $-$ the ability to develop products and deliver superior customer value. This competency typically leads to product leadership. Example: Apple

Service management $-$ this competency describes s company's ability to develop services that deliver superior customer service. Example: Nordstrom

Brand management $-$ This competency describes a company's ability to build strong brands and creates brand leadership. Example: Procter & Gamble.

All of the above