Chinese President Xi Jinping. REUTERS

China bans 8 of the world’s top 25 websites? There’s still more to the digital trade problem.

Uniformly, a number of those who have just read my new paper have been struck by the fact that today 8 of the world’s 25 most trafficked websites are completely blocked in China — including those of Apple, Google and Twitter.*

But this was only one important symbol of the systematic closing of the Chinese market to US and other foreign Internet and information and communications technology companies.  As a general rule, on trade I believe in “unilateral disarmament”—that is, as a French free trade philosopher once stated (paraphrasing):  “Just because your neighbor blocks his harbor with rocks is no reason...