The Relationship between Returns to Scale and Size of Companies using Data Envelopmment Analysis in Iranian Insurance Companies
Subject Areas : International Journal of Finance, Accounting and Economics StudiesElham Sadeghi 1 , Mohsen Rostami Malkhalife 2 , Mohammadreza Miri Lavasani 3 , Mohamadhamed Khanmohamadi 4
1 - , Department of Management and Economics, Science and Research Branch, Islamic Azad University, Tehran, Iran.
2 - Department of Mathematics, science and research branch, Islamic azad university, Tehran, Iran
3 - Department of HSE Management, Science and Research Branch, Islamic Azad University, Tehran, Iran.
4 - Department of Accounting, Damavand Branch, Islamic Azad University, Damavand, Iran.
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