Glossary of the 1993 SNA - Definition of Term |
| Term | Additivity | | Definition | Additivity is a property pertaining to a set of interdependent index numbers related by definition or by accounting constraints under which an aggregate is defined as the sum of its components; additivity requires this identity to be preserved when the values of both an aggregate and its components in some reference period are extrapolated over time using a set of volume index numbers. | | Paragraphs | 16.55. |
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