For Whom the Levy Tolls: The Case of a Macroprudential Stability Levy in South Korea

JaeBin Ahn, Youngju Kim () and Hyunjoon Lim ()
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Youngju Kim: Bank of Korea
Hyunjoon Lim: Bank of Korea

IMF Economic Review, 2022, vol. 70, issue 3, No 5, 520-559

Abstract: Abstract Can capital flow management measures (CFMs) reduce external vulnerability of the economy? This paper studies the effectiveness of a macroprudential stability levy introduced in Korea, which was intended to curb foreign currency (FX) debt as well as to lengthen its maturity structure in the banking sector. Using the detailed bank-level balance sheet data, this study finds that the levy had limited effects on curbing non-core FX debt, while it substantially lengthened its maturity structure driven mainly by foreign bank branches’ interoffice account. The subsequent analysis employing the transaction-level loan rate data further suggests that it likely had unintended consequences favoring foreign bank branches that took advantage of regulatory arbitrage and therefore were able to take FX loan market share from domestic banks that could not avoid passing the levy onto their borrowers.

Keywords: F31; F38; F42; G15; G21 (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1057/s41308-022-00163-x

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