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The Credit Channel Transmission of Monetary Policy in Tunisia

Mna, Ali and Younsi, Moheddine (2017): The Credit Channel Transmission of Monetary Policy in Tunisia.

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The purpose of this paper is to evaluate the importance of the credit channel in the monetary policy transmission mechanism in Tunisia. Using a VAR approach, we attempt to empirically examine the responses of the main aggregates of the Tunisian economy to monetary policy shocks over the period 1965-2015. Our empirical results showed that credit has a significant effect on investment and inflation. Indeed, the cointegration relationship, coupled with the weak exogeneity test, shows that credit is an endogenous variable and therefore the long-term equation found is a credit equation. The crucial role of credit channel is argued by the goal of price stability expected by any monetary policy. The analysis of monetary shocks shows the importance of exchange rate policy and the local currency devaluation on the financing mode. It is observed that Tunisian economy is dominated by external conditions. This dominance is confirmed by extensive using of external debts and trade agreements with the dominant countries. Ultimately, our findings suggest that policymakers should act on the level of economic activity and inflation, on two terms. The first is in short-run, by acting on the interest rate and the second is in long-run, by controlling the exchange rate.

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