An international cooperative venture involving the voluntary participation of three or more countries in an economic or political association is known as ___

Supranational.

Explanation:

This organisation is explained to be a multinational association where member of the countries that are involved are seen to posses authority and sovereignty on at least some internal matters to the group, whose decisions are binding on its members. Sharing of ideas in certain decision making comes to play especially on those matters that will directly affect each country's citizens. Organisation of this kind is seen to offer ways which aids the setting of international rules governing the affairs of nations, with an eye to preventing conflicts. Also , supranational organizations in cases of this kind often allow member states greater collective influence in global affairs.

answer; operating revenues;