The efficiency and the stability of efficiency rankings of Vietnamese commercial banks through mergers and acquisitions from 2008 to 2018

Phung Mai Lan, Nguyen Khac Minh, Pham Van Khanh and Nguyen Thien Luan

Afro-Asian Journal of Finance and Accounting, 2024, vol. 14, issue 4, 581-604

Abstract: This study applied DEA window analysis in combination with non-parametric testing to evaluate the efficiency of the Vietnamese commercial banks pre-and post-mergers and acquisitions (M&A) as well as to test the stability of the banking efficiency during M&A period. The results showed that the average technical efficiency calculated from the window analysis model ranged from 81% to 99%. Many banks carrying out M&As have grown in all aspects such as increasing in scale, improving technology capabilities and success management. However, there were also some banks that showed weakness through M&As. The reasons for the inefficiency of those banks were mainly the excess of customer deposits in balance sheet of the banks and their bad debts.

Keywords: DEA window analysis; banks; ranking statistics; mergers and acquisitions; Vietnam. (search for similar items in EconPapers)
Date: 2024
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