What are the positives of the Jamaican system

Positive effects :(1) the diversified reserve structure gets rid of the rigid relations among countries, provides a variety of repayment currencies for the international economy, and solves the contradiction of short supply to a large extent;

(2) Diversified arrangements adapt to diverse national economies at different levels of development, provide flexibility and independence for countries to maintain economic development and stability, and help maintain the continuity and stability of domestic economic policies;

(3) A variety of parallel channels to make the balance of payments adjustment more effective and timely.