Investigating the effect of central bank intervention on the profitability of commercial banks in the country: a mild transfer regression approach
Subject Areas : Financial Economics
Azam Sadat Atyabi
1
,
Alireza DagigiASL
2
*
,
Gholamreza Garyenjad
3
1 - Department of Economics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
2 - Department of Economics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
3 - Department of Economics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
Keywords: G12, G19, E52, G32, Keywords: Central bank policy intervention, foreign exchange market pressure, profitability of commercial banks, gentle transfer regression. JEL Classification: C24,
Abstract :
Abstract In the present study, in the first stage, the central bank's policy intervention index and foreign exchange market pressure were calculated, and then, using gentle transfer regression (STR), the effect of central bank intervention on the profitability of the country's commercial banks was investigated. According to the model results; In 24 of the 30 years surveyed, the country's economy has faced increasing pressure from the foreign exchange market. In other words, between 1370 and 1399, the central bank's intervention activities eliminated an average of 24% of the foreign exchange market pressure. Also, the results of STR model estimation show the positive effect of economic growth rate variable on bank profitability and the negative effects of central bank intervention, stock return rate, credit risk, inflation rate and interest rate on the profitability of commercial banks. The negative coefficient of the central bank intervention index can indicate that the central bank, in the face of increasing positive deviations in the exchange rate, is pursuing a decline in the growth of its foreign reserves. In other words, with a further increase in the supply of foreign exchange in the market, its value decreases and the exchange rate return to its long-term path. On the other hand, if there is a negative deviation in the exchange rate of the central bank, by increasing the volume of foreign reserves and reducing the supply in the foreign exchange market, it can increase this rate and approach its long-term path, which is in line with existing theories. This is the context.
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