Market uncertainty, persistent arbitrage-free violation, and price discovery in RMB market

Ke Xu, Yu-Lun Chen and J. Jimmy Yang

International Review of Financial Analysis, 2023, vol. 90, issue C

Abstract: This paper applies a fractionally cointegrated vector autoregressive model to examine time-varying price discovery between Chinese renminbi onshore and offshore exchange rates. We study the impact of the equity market and economic policy uncertainty level on price discovery and the arbitrage opportunities between the onshore and offshore markets. The results show that the less regulated offshore rates dominate in price discovery, and a higher market uncertainty level strengthens the leading role of offshore rates in price discovery. However, a higher market uncertainty would increase the bid–ask spread and investors’ risk aversion degree and then impede the whole price discovery. Finally, higher uncertainty would induce persistent arbitrage opportunities in renminbi onshore and offshore markets.

Keywords: Price discovery; Economic policy uncertainty; Persistent arbitrage; Investor risk aversion (search for similar items in EconPapers)
JEL-codes: F31 G14 G15 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:finana:v:90:y:2023:i:c:s105752192300412x

DOI: 10.1016/j.irfa.2023.102896

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