The Different Role of Mental Accounting on Optimal Portfolio Based on Speculative Bubble

Document Type : Original Article


1 Department of Accounting, South Tehran Branch, Islamic Azad University, Tehran, Iran.

2 Assistant Professor, Department of Accounting, South Tehran Branch, Islamic Azad University, Tehran, Iran


The aim of the study " The Different Role of Mental Accounting on Optimal Portfolio Based on Speculative Bubble on companies listed in the Tehran Stock Exchange" is the 10-year study period listed in the Tehran Stock Exchange during 2008-2017 were analyzed.The data of 110 firms were analyzed by using statistical softwares including Matlab, spss20, Eviews7 and Lingo in the studied years. In this research, mental accounting is based on Fernandez, The speculative bubble based on the gilium pattern are used as a risk measurement indicator. The result of testing the above hypotheses showed that for the calculated returns because it is greater than the error level, the hypothesis of equality of the average returns of the portfolios is not rejected. In terms of speculation bubble (subject to speculation) based on subjective accounting there is no significant difference and efficiency based on standard deviation index is not higher. The result of the statistical test of these hypotheses shows that the significance value for the calculated returns is greater than the error level, the hypothesis of mean inequality of portfolio returns (research hypothesis) is rejected and in other words the speculative bubble portfolio returns (greater than Portfolio returns are not without bubbles.


  • Abbasian, E., Mahmoudi, S., Farzanegan, (2010), Identification of Common Stock Bubbles in Tehran Stock Exchange Using the Present Value Model, Audit Accounting Reviews, 2(17), P. 75 - 112.
  • Saberi, M., (2017), A Study of Human Behavioral Factors in the Selection of Optimal Portfolio, Journal of Investment Knowledge, 2017 ,2(6).
  • Roghanian, H.(2014), A Model for Identifying Propubate Bubbles in Tehran Stock Exchange, Motaleat mali, 4(2).
  • Karbasi Yazdi, H., Bonabi, S.(2014), Application of Theory of Mental Accounting, Accounting Research, Doi: 10.22051/ijar.2014.499
  • Samadi, S., Nasrollahi, Z., Zahed Mehr, A.(2008), Efficiency Test of Presence of Bubble Pricing in Tehran Stock Exchange Using Filter Principle and CAPM Model, Economic Review, 4, P. 91-113. ISSN 2008-5850
  • Harras , g., Sornette, D.(2011), How to grow a bubbleis amodel of myopic  adapting agents , journal of Economic behavior & organization", 80, P 137-152. Doi: 10.1016/j.jebo.2011.03.003
  • Gilliam, A., Iftekhar, H., Qingwei ,W.(2011), In Search of Concepts: The Effects of Speculative Demand on Stock Returns, 3(22),P. 427–449. Doi: 10.1111/eufm.12067
  • Malpens, S., Wachter, S.(2002), The Role of Speculation in Real Estate Cycles, The Center for Urban Land Economics Research, University of Wisconsin. Doi:10.2139/ssrn.2585241
  • Neyli, M., Hossein, D.(2011), The causes of the emergence of a recession in Iran's economy. The Central Bank of the Islamic Republic of Iran, 2011.
  • Fernandes, J., Pena, J., Benjamin, T. (2009), Behavior Finance and Estimation Risk in Stochastic Portfolio Optimization, Banco Central Do Brasil, Working Paper, 184, Doi: 10.2139/ssrn.957334
  • Shefrin, H., Statman, , Behavioral Portfolio Theory,Journal of Financial and Quantitative Analysis,2000, 35,P. 127–151, Doi: 10.2307/2676187
  • Badri, A.(2010), Behavioral Financial Knowledge and Asset Management, Michel M., Kayhan Publishing House, Tehran.
  • Etemadi, Z., Abbasi, E., Yazdani, H, R.(2015), Role-bubble speculation in Tehran Stock Exchange and selected industries using the Markov-Switching Model, Ministry of Science, Research and Technology, Alzahra University, Faculty of Social Sciences Economical.
  • Saberi, M., Zanjirdar,M(2014), Explaining Human Behavioral Factors in Selecting Optimal Portfolio Compared to Standard Financial, Journal of Investment Knowledge, 3(9).
  • Rahnama Rood Pashti, F., Nemat, R(2015), A Review of Psychological Theories in Management Accounting Research, Journal of Management Accounting, 8 (26).
  • Vakili Fard, H, R., Talebnia, Gh., Kiani, M(2010), Investigating the relationship between free float shares and price bubbles in listed companies in Tehran Stock Exchange, Financial Engineering and Portfolio, Doi: 10.22051/jfm.2014.955
  • Ghorbani, H(2016), Investigating the relationship between the volume of stock exchanges and the stock price fluctuations in the Tehran Stock Exchange, the 5th International Accounting and Management Conference, and the 2nd Conference on Entrepreneurship and Innovations, Tehran, Isfahan Conferences.