external In the Media May 1, 2022 John Rosen, a practitioner in residence of economics, talks about the port shutdown in Shanghai, China, which could cause problems in the supply chain for at least a year. https://www.somdnews.com/enquirer_gazette/news/local/lemonade-out-of-lemons-inflation-and-supply-chain-problems-prompting-innovation/article_b49c4f2c-26d2-5156-a829-7899cac76dd7.html john-rosen news-all news-in-the-media year-2022 month-may name-john-rosen