Comparability
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Science, Technology and Culture, Business StatisticsChristian Törnfelt
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The statistics are not directly comparable to other published book sales statistics. There are no international guidelines for the production of book sales statistics.
Comparability - geographical
There are no international guidelines for the production of book sales statistics.
Comparability over time
The statistics are new from 2024 and contain data from the third quarter of 2022. The statistics are comparable throughout the entire period, but from August 2024 the data basis has been expanded with data from additional retailers, which has increased book sales by approximately 3 percent.
Coherence - cross domain
There is no direct correlation with other statistics.
Coherence - internal
The data is based on transaction data from major bookstores, bookstore chains, and large supermarket chains. It is assessed that the content of the data from bookstores and supermarkets is consistent across data sources. The content of metadata from DBK and Publizon is also considered comparable, as both sources contain the relevant information used in the preparation of the statistics.