Does Exchange Rate Non-Linear Movements Matter for Analyzing Investment Risk? Evidence from Investing in Iran’s Petrochemical Industry
Subject Areas : Financial Mathematics
Alireza
Khosrowzadeh
1
(Department of Industrial Management- Financial, Kish International Branch, Islamic Azad University, Kish Island, Iran)
Aboutorab
Alirezaei
2
(Department of Management, Kish International Branch, Islamic Azad University, Kish Island, Iran)
Reza
Tehrani
3
(Department of Management, University of Tehran, Tehran, Iran)
Gholamreza
Hashemzadeh Khourasgani
4
(Department of Management, Kish International Branch, Islamic Azad University, Kish Island, Iran)
Keywords: Petrochemical Industry, Exchange Rate Movements, ARFIMA-FIGARCH framework, Long Memory property, Fractal Market Hypothesis,
Abstract :
The present study models the risk of investment in the petrochemical industry considering the impacts of exchange rate (US dollar to Iran's Rial) movements using the time series data from November 2008 to March 2019 and ARFIMA-FIGARCH framework. The empirical results prove the existence of the Fractal Market Hypothesis, FMH, and the Long Memory property in both the risk and return of the petrochemical stock index. These findings can be culminated in reaching a reliable and significant model to evaluate the investment risk in the petrochemical industry. In line with this, to analyze the idea whether considering the exchange rate movements matter for assessing the risk management in the petrochemical industry, the effects of exchange rate movements as a crucial source of systematic risk in Iran has been taken into consideration in the process of modelling the risk of investment in that industry. Our results demonstrate that the exchange rate movements have had a direct and significant effect on the investment risk of that industry so that if, on average, one percent change occurs in the exchange rate, the investment risk in this industry changes by 57% in the same direction.
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