The document discusses several examples of regional economic integration including:
- The European Union, which has achieved the highest level as an economic union with common policies and legal framework. It faces challenges from issues like debt crisis, nationalism, and Brexit.
- NAFTA/USMCA which began as a free trade area and now includes provisions for labor and environment. Its future impact will depend on implementation of the new agreement.
- The Gulf Cooperation Council which began as a political and economic alliance and aims to create a common market and customs union. It faces challenges from the ongoing Qatar crisis.
- Other examples discussed include customs unions like COMESA in Africa and common markets like ASEAN in Southeast Asia