Fraser Howie is co-author of "Red Capitalism: The Fragile Financial Foundations of China's Extraordinary Rise."
It is easy to say that the national security law imposed by China on Hong Kong, which bans "subversion," including expressions of support for independence, makes it like any other city in China. From a business point of view, that is not at first sight a problem: China has become the world's second largest economy with a far more draconian political environment than Hong Kong.