Impact valuation factors for CBA and SROI

To use cost-benefit analysis (CBA) or social return on investment (SROI) to evaluate a social intervention, estimates of the monetary value of impacts of the intervention are needed. The CBAx tool published by the NZ Treasury includes a database of impact valuations that can be used for this purpose.

This short guide explains how impact valuations are used in CBA or SROI evaluations, and gives an overview of the types of valuations that are included in the CBAx tool.

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