What key role does ADB play in regional economic integration?

The Asian Development Bank (ADB) plays a crucial role in promoting regional economic integration by facilitating trade, investment, and labor mobility among its member countries. This function aligns with ADB's mission to foster sustainable economic growth and reduce poverty in the Asia-Pacific region.

By focusing on trade and investment, ADB helps streamline cross-border transactions and enhances connectivity, which are essential for a dynamic regional economy. Moreover, ADB supports initiatives that improve labor mobility, enabling skilled workers to move freely among member states, which in turn boosts productivity and economic collaboration.

In contrast, other options do not accurately reflect ADB's comprehensive approach to integration. While internal trade policies are important, solely focusing on them overlooks ADB's broader impact on trade and investment. Creating exclusive economic zones or enforcing tariffs is outside ADB's mandate, as the institution aims to remove barriers rather than impose restrictions on trade. Therefore, the role of ADB in facilitating comprehensive economic integration among its member countries is vital for fostering a cooperative and interconnected region.