Even if an action (such as an agreement on a price cartel) violates antimonopoly law of country “A”, such violation will not be charged by the government of “A” if the action is conducted in another country.
Antimonopoly authorities of countries all over the world exchange information periodically as well as on particular cases.
More than one hundred countries have enacted antimonopoly laws. Therefore you must carefully pay attention to the antimonopoly laws of all the countries relevant to your business.
Only Japan, USA and EU have actively applied and enforced antimonopoly laws. Therefore you need not pay attention to the antimonopoly laws of other countries.