Epstein-Zin preferences to study the volatility implications of a monetary policy shock. An unexpected increases in the policy … volatility effects of the shock are driven by agents' concern about the (in)ability of the monetary authority to reverse …

prior distribution of structural parameters and shock processes are determined according to the literature. Then, we … consistent with theoretical framework of the new Keynesian synthesis. Besides, the historical shock decompositions of endogenous … monetary policy increases the effects of monetary policy shock on inflation while its impact on output gap and interest rate …