Covid impact on consumer side: During Covid, bookstores in Germany and Belgium remained open while they were closed in the Netherlands.
This led to higher book discovery in Germany and Belgium relative to NL
Consumers in NL stuck to previous preferences
Covid impact on supply side of book market: some publishers stopped making new deals i.e. accepting new manuscripts. This has an impact on book market quality and variety.
What would be some supply side metrics? Do we have access to them?