Performance analysis of selected stock portfolios based on corporate diversification strategy indicators from the perspective of modern and postmodern portfolio theory
Publish place: 1st International Conference on Empowerment of Management, Industrial Engineering, Accounting and Economics
Publish Year: 1402
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
MIAE01_1022
تاریخ نمایه سازی: 18 تیر 1402
Abstract:
In this study, using data from ۱۵۶ companies listed on the Tehran Stock Exchange during the period ۲۰۱۳ to ۲۰۲۰ through network analysis model and using a combination of corporate diversification strategy criteria (commercial, product and geographical diversification) through TOPSIS Multi-criteria decision making technique, ۹ portfolios formation and it’ performance (risk-adjusted returns) were compared with traditional and modern network matrix model portfolios and market portfolio through Uman-Whitney test and Kruskal-Wallis test. The results show that the proposed network matrix model portfolios based on corporate diversification strategy criteria, in terms of Sharpe, Sortino, upside potential and omega criteria have higher performance than traditional and modern network matrix models. Also, portfolios consisting of stocks of companies with medium diversification in terms of the above criteria have higher performance than traditional and modern models of network matrix and market portfolios. In addition, the performance of portfolios consisting of stocks of companies with low diversification has a stronger correlation with the performance of the market portfolio compared to the modern network matrix model.
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Authors
Mohammad Aslani
Department of Accounting, Tuyserkan Branch, Islamic Azad University, Tuyserkan, Iran