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Differentiated impact of the common monetary policy on the member states of a monetary union : case of CEMAC

Antoine NGaKOssO
Université Marien NGOUABI, Faculté des sciences économiques, République du Congo. Département des Masters
ngakosso_antoine@yahoo.fr
ORCID : 0000-0001-5727-1985

Abstract : This paper analyses the misalignments that could result from the common CEMAC monetary policy under macroeconomic stabilization in case of the implemen- tation of the standard Taylor rule by the Central Bank of Central African States (BEAC). Considering a Taylor rule per country solely based on national economic conditions, on the one hand, and another with aggregate data for all countries on the other hand, it transpired that the BEAC’s monetary policy decision depends on the overall size of the union, whose priority goal is to maintain the fixed parity of its currency with the euro. Thus, its mone- tary policy has limited efficiency in macroeconomic stabilization due to the asymmetric effects of the common monetary policy. In fact, the BEAC should strengthen its common monetary policy by coordinating national budgetary policies, carry out structural reforms, set up a federal budget and a banking union, obey the Mundell incompatibility triangle or choose a flexible exchange rate regime.

Keywords : Cyclical heterogeneity, macroeconomic stabilization, Taylor rule, misalign- ment, common monetary policy, symmetric shock with asymmetric effects, inconsistency heterogeneity of Mundell’s incompatibility triangle.
Jel classification : E52, E58, E61, C51.

DOI: https://doi.org/10.18559/RIELF.2020.2.5