Monetary Management in a Dual Banking System: A Nominal-GDP Targeting Approach

  • Mehdi HadianEmail author


In response to the failure of inflation targeting (IT) to bring macroeconomic stability during the recent crisis, nominal-GDP targeting (NGDPT) has been proposed as an alternative framework for monetary policy. On the other hand, due to the condemnation of riba in Islamic finance, the implementation of a policy rate for monetary management has been faced Shari’ah-compliant challenges. The aim of this paper is to propose NGDPT regime as an efficient monetary policy that is also consistent with Islamic monetary economy. Therefore, we first argue that due to the risk-sharing nature of NGDPT, it is the closest substitution for realizing PLS principles at the macro-level. Then, by applying a canonical DSGE model, the performance of NGDPT in response to various shocks has been compared with that of IT and flexible inflation targeting (FIT). The results show that NGDPT is associated with the lowest volatility of benchmark rate which leads to substantial reduction of output fluctuations and, thus, the improvement of macroeconomic stability. The results imply that NGDPT setting is applicable not only in Islamic banking but also in a dual banking system. In this regard, the adoption of governmental sukuk whose return depends on benchmark rate of NGDPT will help Islamic banks to overcome the problems of liquidity management and fund arbitrage in dual banking systems.


Islamic monetary policy Profit–loss sharing Nominal-GDP targeting 

JEL Classification

G32 G34 


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Copyright information

© The Author(s) 2019

Authors and Affiliations

  1. 1.Department of Economics, Monetary and Banking Research InstituteCentral Bank of the Islamic Republic of IranTehranIran

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