SIRR

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August 31, 2024 4 min read Definitions

Social Internal Rate of Return: Evaluating Societal Benefits and Costs

Economics Finance Social Internal Rate of Return SIRR Social Benefits Externalities Discount Rate

The Social Internal Rate of Return (SIRR) represents the discount rate that equalizes the net present social benefits of future real gains from private activities to the real social costs. It incorporates societal benefits and costs including externalities.

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