Evaluation of Monetary and Fiscal Policy Based on New Keynesian Dynamic General Equilibrium Model in Iran’s Economy (original) (raw)
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Theoretical and Practical Research in the Economic Fields
This paper focuses on New Keynesian framework for monetary policy analysis of Iran. It considers a dynamic stochastic general equilibrium (DSGE) models. This article expands a sensitivity analysis of the optimal rules to deep structural parameters and investigating properties of an optimal simple rule with respect to prevailing type of shocks which is the main purpose of the article. Finally, the study highlights how an optimal policy rule depends on model structure, on the model calibration and nominal rigidities. According to the research findings, based on the theoretical expectations, the effect of a positive shock inflicted on the government investment leads to an increase and gradual accumulation of fixed capital formation in the public sector. Among estimated parameters, consumption is the first affected and reduces, then employment increases consequently, finally production will also be affected. Also with the shock of oil revenues, increased oil revenues which results in pu...
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Received date: 25 October 2019 Revised date: 21 January 2020 Accepted date: 27 February 2020 Available online: 30 March 2020 The purpose of this paper is to investigate the optimal monetary and fiscal policies with emphasis on a non-inflationary exit from economic stagnation in Iran. In the first stage, Iran’s economy has been modeled in the form of a New Keynesian Dynamic Stochastic General Equilibrium model (NK-DSGE). After modeling and extracting the system of equations, the structural parameters of the model have been estimated by using seasonal data from 1989 to 2016 and also the Bayesian approach. The results show that monetary and fiscal expansionary policies increase production though they are associated with inflation. In the second stage, the optimal monetary and fiscal rules have been extracted from a social loss function, and accordingly the conditions of a non-inflationary exit from stagnation have been investigated. The results of the simulation show that the optimal m...
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This study investigates indirect tax shocks' influences on GDP and inflation in Iran’s economy, using a DSGE (Dynamic Stochastic General Equilibrium) model. The results indicate that a shock cause equal to one standard deviation in tax on consumption can reduce GDP by 0.006% and inflation by 0.018%. Also, a shock in the import tax causes the GDP to decrease by 0.089% due to the decrease in demand for imported goods. Moreover, imported goods reduce by 0.4% with the occurrence of import tax shock; meanwhile, inflation increases by 0.89% in the short term. Accordingly, a possible reform for indirect taxes should be more carefully considered.
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The aim of this paper is evaliuation effect of monetary and non monetary shocks in Iran economy through New Keynesian Dynamic Stochastic General Equilibrium Modelling in Open Economy condition. For this purpose, parameters of the model are calibrated (1352-1390). In this Model, respect to Iran economy traits, Oil income has been including in separate sector. Also, for more coincidence of model with real word and respect to importance and role of stickiness in affect of output from nominal variable, price stickiness has been including in model and response of economic variable investigated when monetary, oil income and technology shocks was occurred. The results from investigate of impulse response functions shows that in Iran, preliminary effect of monetary, government expenditure and oil income shocks on non oil output and inflation is positive but the effect of technology shock on inflation is negative and on output is positive. Monetary and fiscal discipline, reduction connection...
The Impact of Fiscal Policy on Macroeconomic Variables: New Evidence from a DSGE Model
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The purpose of this article is to analyze the macroeconomic impacts of fiscal policy in Iran using a new-Keynesian Dynamic Stochastic General Equilibrium (DSGE) model. The model takes into account distortionary taxations on wage, dividend, and consumption, while government expenditures are broken down into consumption of goods and services, and investment. The model is calibrated for Iran based on the estimated parameters by Bayesian method. To do so, a data set from 1981 to 2016 is used. The impulse response functions illustrate that an increase in consumption tax rate has a larger impact on the contraction of the economy than wage tax rate whereas the expansionary effects of government investment is much larger than government consumption expenditures.
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Economy of Region, 2017
Iran is an oil exporting country in Middle East. The high share of the oil revenues in Iran is a serious economic problem. Due to the high dependency of Iran's economy on oil revenues, oil price shocks have a determinant impact on macroeconomic variables. In this paper, we analyze the dynamic effects of oil price shocks and the aggregate supply and aggregate demand shocks on macroeconomic fluctuations in Iran. According to macroeconomic theory and aggregate demand and supply model in equilibrium, a structural vector autoregressive (VAR) model is applied to identify different structural shocks and further assess the relative contributions of different shocks on macroeconomic fluctuations, using a decomposition approach. The results show that oil price shocks have significant and positive effects on both output and inflation. Aggregate supply and aggregate demand shocks are the main causes of fluctuation in output and inflation, and moreover, the effect of aggregate supply shocks on output is permanent in the Iranian economy. On the base of this study results, we suggest the Iranian government should accelerate the economic reforms such as the finance system of state owned enterprises, the tax system, the cash subsidy distribution system, the allocation system of the government budget in national and provincial level, the financial and banking system, and so on. The suggested reforms aim to decrease in the share of oil revenues in the economy and protect the Iranian economy in the face of any exogenous and endogenous shocks.
Monetary Policy and Inflation Dynamics in Iran: New Evidences
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The monetarists, in explaining the dynamics of inflation, have emphasized the growth rate of the money supply. However, there is extensive empirical evidence to validate and validate this monetary logic. There are a number of criticisms already suggest that the monetarists may exaggerate the emphasis on the role of money supply in raising inflation. Therefore, the purpose of the present study is to investigate the extent to which inflation is caused by monetary phenomena in Iran Method: In this paper, the impact of money supply and other factors influencing inflation including production, exchange rate and international oil prices are investigated. The analysis was performed using the instantaneous reaction functions and SVAR econometric models. Results: The empirical results generally indicate that money supply is a key source of inflation in Iran. According to the research findings, all of the estimated variables have a key role to play in increasing inflation in the economy. By comparison, real output has the lowest share, especially in the short run, while inflation is more sensitive to short and long run money shocks Conclusion: The overall conclusion of the present study is that inflation in Iran is relatively a monetary phenomenon rather than an actual factor
Oil price cycles, fiscal dominance and countercyclical monetary policy in Iran
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Impulse for business cycles in Iran are largely generated from oil price (terms of trade) shocks and propagated through fiscal policies. The classic mission of monetary policy is to conduct countercyclical policy, however, this is not a universal norm. Pro-cyclical fiscal and monetary policies during boom periods has been observed in a number of developing countries. Such policies tend to amplify the impact of positive oil price (terms of trade) shocks through aggregated demand expansion. The consequence has been strengthening of domestic inflationary pressures and appreciation of the real exchange rate. This paper attempts to examine if monetary policy in Iran is countercyclical and what is the impact of fiscal policy in this regard. It will be argued that the stance of fiscal policy and how government expenditures are financed can have a significant effect on how monetary policy is conducted. Our empirical observations regarding the experience of the Iranian economy indicates that, in a fiscally dominated structure, fiscal and monetary policies are generally expansionary, particularly during economic booms. This entails subsequent very large managed depreciation of the exchange rate, higher inflation rates, and an economic downturn. Under fiscal dominance monetary policy will be ineffective and both targets and instruments of monetary policy making will not be under the control of monetary authority. The policy package of a structural balanced fiscal rule combined with smoothing of quasi-fiscal operations is the appropriate policy measure that enhances the ability of central bank to conduct more effective countercyclical monetary policies.