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An overview of causal factors in fluctuations of some economic indices in Iran using impulse response analysis (1990–2022)

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Abstract

In recent decades, the Iranian economy has experienced unprecedented financial challenges, resulting in fluctuations in some economic indices. In this study, the impulse response analysis was conducted to identify the causal factors, which are responsible for fluctuating two main indices of gold and land prices during 1990–2022. For this purpose, a vector autoregression model (VAR), with 12 endogenous variables, was constructed, using EViews software. The results revealed that the shock of the inflation rate, market capitalization, and gasoline prices will not significantly fluctuate gold and land prices in Iran. Besides, the results revealed that some variables, such as GDP per capita, stock traded value, the exchange rate, global gold price, and global oil price may fluctuate national gold and land indices in Iran during the observation periods. Among these causal factors, only the shock of exchange rate, with high decomposition variance (> 78%), will immediately fluctuate national gold and land prices. Hence, the co-movement of gold and land price toward the signals of the exchange rate is obvious and could be forecasted for future periods. An important managerial implication is to focus on the controlling approaches of the exchange rate, which is the main driving power of economic fluctuations and instabilities in Iran.

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Data availability

The data that support the findings of this study are available from the corresponding author upon request.

Abbreviations

ADF:

Augmented Dickey Fuller

CO2:

CO2 Emissions

EXC:

Exchange Rate

FMI:

Financial Development Index

JCOPA:

Joint Comprehensive Plan of Action

GSL:

Gasoline Price

GGLD:

Global Gold Price

GOIL:

Global Oil Price

GDP:

Gross Domestic Product

INF:

Inflation Rate

IRR [Reference currency]:

Iranian Rial

10-IRR [Public currency]:

Iranian Toman

Mt:

Million tons

NGLD:

National Gold Price

MRK:

Market Capitalization

LND:

Mean Land Price

INC:

Minimum Income

STC:

Stock Treaded

SC:

Schwarz Information Criterion

S.D.:

Standard Deviation

S.E.:

Standard Error

U.N.:

United Nations

U.S.:

United States

USD:

United States Dollar

VAR:

Vector Autoregression Model

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Acknowledgements

We thank anonymous reviewers for technical suggestions on data interpretations.

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This study was not funded by any grant.

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All authors were equally involved in data analyzing, defining the strategies, and editing the paper. Also, all authors read and approved the final manuscript.

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Correspondence to Mohammad Reza Mansouri Daneshvar.

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Mansouri Daneshvar, M.R., Sohrabi, A., Sadeghi, A. et al. An overview of causal factors in fluctuations of some economic indices in Iran using impulse response analysis (1990–2022). Model. Earth Syst. Environ. 10, 1959–1971 (2024). https://doi.org/10.1007/s40808-023-01886-0

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