US lack of worker is mainly due to long covid. But how is China's zero covid a problem? When looking at economic data, you've to compare 2022 with 2019 to see how much has been impacted by the pandemic. China has the best performance. Even just looking at 2022, China's economy performance is a mix bag, semi-conductor, energy, material sectors are performing very well, while property, retail and service sector are performing badly. But property market is due to historical problem, not pandemic, retail is impacted by online market, not pandemic, only the service sector such as tourism, cinema etc are impacted by zero covid policy.