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Investigating the Eeffects of Factors on Capital Adequacy Ratio in the Islamic Banking System of Iran and Malaysia by Threshold Regression Approach
Azadeh Mehrabians, Parima Bahrami Zonooz, Roya Seifipour, Narciss Aminrashti,
Volume 12, Issue 45 (11-2021)
Abstract
Capital adequacy ratio is one of the most important indicators in analyzing the situation of banks in order to manage banks against risks such as bankruptcy and their inability to meet obligations. This controls the risk management of banks. The aim of this paper is to investigate the effect of banking variables on the capital adequacy ratio (CAR) in private banks in Iran during the period 2011-2018 and in Malaysia quarterly during the period 2012:01-2019:04 by Threshold Auto regression Method. The results showed that the CAR in the low regime with four lags had a negative effect and in the high regime had a direct effect on the CAR of Iranian banks. But it did not have a significant impact on the Malaysian banking system. The share of bank deposits in Iran in both regimes has a negative effect on the CAR. But it had a direct effect on the Malaysian banking system in the high regime. The size of the bank in the low regime had a direct effect on the CAR of private Iranian banks. But in Malaysia, in both regimes, it had a direct impact on the capital adequacy ratio. The share of credits in both regimes had a direct impact on the CAR in Iran. But in the Malaysian banking system in both regimes had a negative impact on the CAR. Liquidity in the low regime has a negative effect on the CAR in private Iranian banks. But in the high regime did not have a significant effect. While in the high regime, liquidity has a direct and significant effect on the CAR in the banking system of Malaysia. Returns of assets in the low regime do not have a significant effect on the CAR of Iranian banks. But returns of assets in the low regime have a direct and significant effect and in the high regime have a negative effect on the CAR in the Malaysian banking system. Financial leverage in the low regime does not have a significant effect on the CAR of Iranian banks, but in the Malaysian banking system in the low regime has a negative effect and in the high regime has a direct effect.

Investigating the effects of financing the public sector budget deficit from the banking system: Evidence from the dynamic stochastic general equilibrium model (DSGE)
Dr Hossein Samsami Mazrae Akhoond, Mr Ahmad Bakhtiyari,
Volume 13, Issue 49 (12-2022)
Abstract
The unmanaged control of liquidity growth has always been the concern of policymakers due to its negative consequences. Recently, policymakers have focused on the needing to control the liquidity growth. One of the liquidity drivers is the government borrowing from the central bank. In this regard, governments have concerned for the issue of not borrowing from the central bank since the 2000s onwards. Although governments are limiting themselves for this borrowing, they force banks and financial institutions to borrow from that source. For this purpose, this study designs a macroeconomic model by including the net debt of the public sector to the central bank as well as to banks and financial institutions via the government's financial balance channel. This model shows the relationships of economic variables in the framework of a stochastic dynamic general equilibrium (DSGE) model, considering nominal and real frictions. The results confirm the reliability of the model for simulating the economy of Iran after determining the input values and calibrating the parameters of the model using the Iran's economy data during 2000-2020.  The findings from the research data show that the net increase in government sector debt to banks and non-banking credit institutions has a positive effect on investment, in such a way that new liquidity by the government obtained from institutions and banks It has been produced in the form of new deposits at the disposal of the department. The net impulse of public sector debt to the central bank causes an increase in consumption in the utility function and the total consumption of a combination of public goods and services provided by the government as well as private consumption goods and services. Also, the net impulse of public sector debt to the central bank causes an increase in inflation and a slight growth of production, and the net impulse of public sector debt to banks and credit institutions increases inflation and stimulates production.

The mechanism of cryptocurrency in blockchain and the impact of this technology on the banking system
Dr Leila Torki, Mr Omid Ghorbanzadeh,
Volume 13, Issue 49 (12-2022)
Abstract
The state of development of technology in today's world is such that the development process and the future of the world in the field of technology cannot be accurately predicted. In the meantime, blockchain technology has been highly regarded as a revolutionary technology. This technology is a protocol that allows information to be exchanged directly between contracting parties in a network without the need for intermediaries. Blockchain has been one of the most important technology trends in recent years, and banking is one of those sectors that many experts believe will accept major changes from blockchain technology. Considering the revolutionary impact that blockchain technology can have on the banking system, it will be very important to examine the impact of this technology on the banking system, which represents how to create, present and acquire value in this sector. The purpose of this research is to investigate the impact of this technology in the banking system. In order to achieve this goal, the method of data collection is the type of document-library research and sample statistics, and it is quantitative-qualitative in nature, and the method is a survey, and the tools used are questionnaires and field observations. According to this research, it confirms the effectiveness of blockchain technology on the banking system. Finally, considering that blockchain technology will challenge almost all the core sectors of the banking system, it is necessary for banks to adopt a suitable strategy to deal with the threats and use the opportunities resulting from this technology.
 

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