Europe’s antitrust watchdog brushed off its finest china earlier this month to play host to a delegation of Hong Kong officials. Their mission: a crash course in competition law from one of the world’s most experienced antitrust regulators.

In the coming months Hong Kong will become the last developed economy in the world to bring into force a competition law. The regime's newly created watchdog - the Hong Kong Competition Commission - is doing its homework before publishing long-awaited guidelines on how it plans to implement the new law.