We can save ICBs up to 25% of their PHB costs
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We have developed a savings calculator that enables us to model potential savings for ICBs from PHBs. The estimates range from 5% to 25%, depending on variables such as the cohort and budget deployment model, but we would expect a ICB to be able to prudently forecast a net saving of at least 10% of the overall budget spend.
This paper examines the evidence and theory behind this. Read the paper.