Comparison of the trading strategies and market impact costs of the National Pension Service's internal and external management

Yunsung Eom and Mincheol Woo

Journal of Derivatives and Quantitative Studies: 선물연구, 2023, vol. 31, issue 3, 197-218

Abstract: - As of May 2022, the National Pension Service of Korea is the world's third-largest pension fund, with assets worth KRW912tn (approximately $US800bn). Of the KRW152tn (approximately $US133bn) invested in domestic equities, 45% is outsourced to external asset managers. Given the absence of prior research on the National Pension Service's (NPS's) management method, this study analyzes its trading strategies and market impact according to the fund management method from 2005 to 2022. The results are as follows: First, the stock characteristics selected by internal management using passive strategies are different from those selected by external management, in which various strategies are combined. Second, the contrarian investment strategy, which acts as a market stabilizer, is a characteristic of the external management trading pattern, while internal management increases volatility and does not improve liquidity. Third, there has been a change in the internal management strategy since 2016, when the fund management headquarters was relocated. This study is practically significant and distinctive in that it confirms the differences between the NPS's two investment methods in terms of trading strategies and market impact.

Keywords: National Pension Service; Internal management; External management; Investment strategy; Market impact; G11; G12; G23 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jdqspp:jdqs-12-2022-0027

DOI: 10.1108/JDQS-12-2022-0027

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