Beijing residents are stocking up on cabbage after authorities issued a notice telling people to keep daily necessities in stock in case of emergencies. Supermarkets have capped sales at three cabbages per person, but even then, shoppers arriving after 9 a.m. local time left empty-handed. “Every year at this time the [cabbage] sales volume is high. But after the report came out, everyone rushed to buy even more,” said Jia Jinzhi, a grower who sells cabbage at Beijing’s Xinfadi wholesale market. The panic buying followed a notice from the commerce ministry on Nov. 1 encouraging people to stock up on daily necessities in case of emergencies. The lack of explanation about the directive triggered long queues outside supermarkets in downtown Beijing in the early mornings last week. On China’s social media, some users even linked the advice with a potential war with Taiwan. State-run Economic Daily responded to concerns in …