The "bribe rate" is one of the most important metrics you can track.
The "bribe rate", of course, is the percentage of orders during any period of time that include a discount, a promotion, or at least one sale item. The bribe rate is often inversely correlated with brand loyalty.
If you think this metric needs to be on every single performance dashboard, you are right.
If you think this metric makes for a perfect segmentation variable, you are right!
Segment your customer base into high, average, and low bribe rates. It matters!