The dollar versus the euro as international reserve currencies

Menzie D. Chinn, Jeffrey A. Frankel and Hiro Ito

Journal of International Money and Finance, 2024, vol. 146, issue C

Abstract: We begin by examining determinants of aggregate foreign exchange reserve holdings by central banks (size of issuing country’s economy and financial markets, ability of the currency to hold value, and inertia). But understanding the determination of reserve holdings probably requires going beyond the aggregate numbers, instead observing individual central bank behavior, including characteristics of the holding country (bilateral trade with the issuing country, bilateral currency peg, and proxies for bilateral exposure to sanctions), in addition to the characteristics of the reserve currency issuer. On a currency-by-currency basis, US dollar holdings are somewhat well explained by several issuer characteristics; but the other currencies are less successfully explained. It may be that the results from currency-by-currency estimation are impaired by insufficient sample size. This consideration offers a motivation for pooling the data across the major currencies and imposing the constraints that reserve holdings are determined in the same way for each currency. In this setting, most economic determinants enter with significance: economic size as measured by GDP, bilateral currency peg, and bilateral trade share. While one geopolitical factor (congruence in voting in the UN) is typically significant in the expected manner (with the exception of the US dollar), the other geopolitical factor (sanctions) does not enter with significance.

Keywords: Dollar; Euro; International currencies; Reserve currencies; Network externalities; Foreign exchange turnover (search for similar items in EconPapers)
JEL-codes: F33 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jimfin:v:146:y:2024:i:c:s0261560624001104

DOI: 10.1016/j.jimonfin.2024.103123

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