Analysis of returns to scale and efficiency in the financial performance of listed petrochemical companies by DEA method

Subject Areas : International Journal of Data Envelopment Analysis

Saeid Rezaeilava ¹ , Mirfeiz Fallah Shams Layalestani ² , Masoud Sanei ³ , shokoofeh BaniHashemi ⁴

1 - Department of Financial Management, Central Tehran Branch, Islamic Azad University, Tehran, Iran
2 - Department of Commerce, Central Tehran Branch, Islamic Azad University, Tehran, Iran
3 - Department of Mathematics, Central Tehran Branch, Islamic Azad University, Tehran, Iran
4 - Department of Mathematics, Allameh Tabatabai University, Tehran, Iran

Received: 2021-01-19 Accepted : 2021-04-04 Published : 2021-02-01

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