Companies treat pricing like a uniform coat, assuming a single structure will satisfy every segment. The flaw is that each segment carries a distinct “price elasticity envelope” – a hidden range where demand is relatively insensitive to price but highly responsive to feature bundles. When a product sits near the edge of its envelope, a small price hike pushes customers into a steeper part of the demand curve, triggering churn that outweighs the extra revenue. Conversely, carving the market into micro‑tiers that sit comfortably inside each segment’s envelope lets firms capture surplus without shocking buyers. The envelope concept works because customers evaluate price against the marginal utility of the next feature they could unlock, not against the headline price alone.

A streaming titan recently raised its base fee, expecting a tidy lift in average revenue per user. Within weeks, chatter on social feeds turned to “price gouging,” and a noticeable dip in subscriber growth followed, illustrating the envelope breach. Meanwhile, a specialized B2B analytics provider introduced a “growth‑stage” tier that added only a modest data‑refresh upgrade. Existing customers welcomed the option, and new sign‑ups gravitated toward the middle tier, expanding revenue without a churn spike. The provider’s move respected the elasticity envelope of its midsize segment, while the streamer ignored it.

The lesson is not to chase a single price point but to map each segment’s elasticity envelope and design tiers that sit safely inside. Doing so creates a “moat of price stability,” because competitors find it costly to undercut without also reshaping the envelope.