Explanation:
WPI tracks price movements of goods traded in bulk at the wholesale level (first point of mass sale), reflecting producer and wholesale market inflation, distinct from consumer-focused CPI.
Explanation:
Chain indices compute period-to-period changes (e.g., 2021/2020, 2022/2021) and chain them multiplicatively, allowing flexibility but complicating long-term interpretation due to changing bases.
Explanation:
TFR sums current ASFRs to estimate completed fertility for a hypothetical cohort, assuming no future changes in age-specific fertility behavior, making it a snapshot of current fertility intensity.
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