While China's rapid economic growth has made it an attractive target for foreign investments, it is not straightforward to know how much of one's portfolio includes exposure to Chinese companies. As Matteo Maggiori notes, much of the increasing investment in China is through shell companies in offshore markets like the Cayman Islands. Matteo joins EconoFact Chats to discuss the economic, regulatory and fiscal implications of investments in tax havens, and of international investment more generally. Matteo is the Moghadam Family Professor of Finance at the Stanford Graduate School of Business. He is a director of the Global Allocation Project. He received the American Finance Association’s Fischer Black Prize in 2021.