Suggest you look into Theory of Constraints (TOC - Goldratt) where WIP is determine by bottleneck management, and Lean Thinking (Agile model) where reducing waste uncovers additional capacity (for increased WIP).
Suggest you look into Theory of Constraints (TOC - Goldratt) where WIP is determine by bottleneck management, and Lean Thinking (Agile model) where reducing waste uncovers additional capacity (for increased WIP).