Intertemporal versus interspatial comparison
The following table examines intertemporal versus interspatial comparison in PPP calculation/index number theory.
Comparison table
| Property | Intertemporal | Interspatial |
|---|---|---|
| How well the weights match the thing being compared | Up-to-dateness | Characteristicity |
| Tendency of Paasche quantity indices to be lower than Laspeyres indices | Gerschenkron effect | Own-weight effect |
| Ordering | Natural ordering by year | No natural ordering (but some have devised orderings) |
See also
External links
References
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