Accounting and Auditing Studies

Accounting and Auditing Studies

Investigating the Impact of the Change of the Head of the Stock Exchange Organization, the Occurrence and Failure of the JCPOA on the Price Bubble of Stocks Accepted in the Tehran Stock Exchange

Document Type : Original Article

Authors
Faramarz Mazaheri Sichani 1
Hamidreza Jafari Dehkordi 2
Bahareh Banitalebi Dehkordi 2
Saeed Daei-Karimzadeh 3
1 Ph.D. Student in Accounting, Faculty of Humanity, Shahrekord Brach of Islamic Azad University,Shahrekord , Iran
2 Associate Prof., Faculty of Humanity, Shahrekord Brach of Islamic Azad University,Shahrekord , Iran
3 Associate Prof. Faculty of Humanity and Low , Isfahan(Khorasgan) Branch of Islamic Azad University,Isfahan , Iran
10.22034/iaas.2024.216985
Abstract
The main purpose of this research is to investigate the impact of the change of the head of the stock exchange organization, the occurrence and failure of the "JCPOA" on the price bubble of shares accepted in the Tehran Stock Exchange. The statistical population of this research is the companies accepted in the Tehran Stock Exchange and its statistical sample includes the data of 100 companies for the 10-year period of 2011-2020. The sampling method was systematic elimination method. The method used to estimate the model is the multivariate regression method using the combined data method and generalized moments regression models (GMM). The results showed that the change of the head of the stock exchange organization has a positive effect on the stock bubble of the Tehran Stock Exchange. Also, the results showed that the "JCPOA" has a positive effect on the price bubble of Tehran Stock Exchange. In addition, it was found that the failure of the "JCPOA" has a negative effect on the stock price bubble of Tehran Stock Exchange.
Keywords
Change of Head of Stock Exchange Organization
Occurrence of "JCPOA"
Failure of "JCPOA"
Stock Price Bubble
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Accounting and Auditing Studies
Volume 13, Issue 52
Autumn 2024
Pages 111-130