On the measurement of nonmarket hospital services in the Norwegian National Accounts
Working paper
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https://hdl.handle.net/11250/3129520Utgivelsesdato
2023-03Metadata
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Sammendrag
Somatic services rendered by central government-owned hospitals account for a significant part of
nonmarket activities in Norway. The output volume of these services has been currently measured
by the summed DRG (diagnosis related groups) points in the Norwegian national accounts.
This paper clarifies the important concept of unit cost in the DRG system and demonstrates that the
current method is virtually not a unit cost approach for measuring nonmarket activities. Despite
consistency in aggregation, the output volume and price indexes by following the current method
are quite stringent.
On the contrary, the suggested method in this paper is consistent with the tradition of applying the
Laspeyres formula for volume and the Paasche formula for price indexes construction in the
Norwegian national accounts. More importantly, the suggested method is the right unit cost
approach, ensuring the consistency with the sound index number theory.
In general, the two sets of measures, one by the current method and the other by the suggested
method, will differ. The paper also illustrates that under what conditions, the estimated measures
by the current method are upward- or downward biased, compared to those by the suggested
method. The paper concludes that more quality work on measuring nonmarket activities is expected
and therefore should be encouraged in future research at Statistics Norway.