🥟 Mania for Din Tai Fung — a Taiwanese restaurant chain famous for soup dumplings — has hit New York City. To celebrate the recent opening, Axios has put together our Soup Dumpling Index, the economic indicator most likely to dribble down your chin and onto your shirt.⁠ ⁠ Why it matters: The Economist’s Big Mac index has been going strong since 1986. Our more delicious version, it turns out, aligns surprisingly closely with it.⁠ ⁠ • New York, Las Vegas and London are the most expensive cities in which to slurp down Din Tai Fung’s legendary xiao long bao.⁠ ⁠ • Kuala Lumpur and the restaurant’s native Taipei are among the cheapest locations.⁠ ⁠ 🔗 Read the full story by Axios' Felix Salmon, Danielle Alberti and Sarah Grillo at the link in our bio.