Take an economic view Delivering the ‘best value and quality for people and society in the shortest sustainable lead time’ requires a fundamental understanding of the economics of building systems. Everyday decisions must be made in a proper economic context. This includes the strategy for incremental value delivery and the broader economic framework for each value stream. This framework highlights the trade-offs between risk, Cost of Delay (CoD), manufacturing, operational, and development costs. In addition, every development value stream must operate within the context of an approved budget and be compliant with the guardrails which support decentralized decision-making.