brand development index , BDI (Abkürzung)

The Brand Development Index helps marketers identify strong and weak segments (usually demographic or geographic) for individual brands.

Brand Development Index or (BDI) quantifies how well a brand is performing within a specific group of customers, compared with its average performance among all customers.

The CDI is useful in all marketing strategies when used with the Brand Development Index or BDI.

Brand Development Index (BDI): An index of how well a brand performs within a given market group, relative to its performance in the market as a whole.

Govoni also defined Brand Development Index or (BDI) as the index of brand sales to category sales., though this ratio is more commonly referred to as market share.