BATNA and ZOPA
Decide when to say yes and when to walk away, against your best alternative.
Model · Study sheet · Foundation
Compare delivery and contract options
Use the same scope and test commercial assumptions.
Understand
Contract types and risk
Choose how a supplier is paid, and so who carries the cost risk, to fit how well the work is defined.
Model · Study sheet · Foundation
Calculate
Make-or-buy cost comparison
Compare an in-house fixed-plus-variable cost with an external unit price.
Tool · Calculator + guide · Applied
Incentive contract cost threshold
Calculate when an illustrative incentive-price formula reaches its ceiling.
Tool · Calculator + guide · Applied