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Informal volunteering: trends and characteristics

The report focuses on informal volunteering, the most widespread but least well understood form of volunteer work. It aims to address major evidence gaps by analysing who engages in informal volunteering, how, and under what conditions across diverse country contexts.

Consumer Price Index Manual: Theory, 2025

CPI manual 2025 guide cover

This is the companion publication to the Consumer Price Index Manual: Concepts and Methods. The Theory publication provides a comprehensive overview of the conceptual and theoretical issues that drive the methods and practices described in the CPI Manual.

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