This paper relies on new institutional economic approaches that highlight the importance of institutional cooperation as a necessary precondition for better market mechanisms to examine the case of CEMAC zone. On this basis, this paper firstly demonstrates that in spite of real advantages of the single currency, the former model for cooperation did not achieve the expected results in the CEMAC zone. Moreover, we find that the new cooperation model appears promising. However, the expected results are not lasting, and are very fragile due to the existence of national skepticism, permanent conflicts, and, finally, the difficulty in securing the necessary funding for productive activities.