Interesting: a Danish supermarket chain is setting up "Emergency Stores" that can keep open for up to three days without power or telecom and store an expanded stock of non-perishable food and essentials. The idea is that no one should be more than 50 km from such a store and it should prevent hoarding/panic buying as people will know basic food will be available in an emergency. Should be rolled out in 2028 at the latest. Article in Danish: https://www.dr.dk/nyheder/penge/se-kortet-her-kan-du-krise-handle