## behavioural and emotional insight
- see also [Alex Danco](https://knowen.org/nodes/26404)
[Overserved and Underserved Customers](https://medium.com/swlh/emergent-layers-chapter-2-overserved-and-underserved-customers-6d5ce546531d) on demand side, but also discussed supply side
- [Scarcity: Why Having Too Little Means So Much](https://www.amazon.com/Scarcity-Having-Little-Means-Much/dp/0805092641/ref=sr_1_1?ie=UTF8&qid=1377682398&sr=8-1&keywords=scarcity/marginalrevol-20)
