The central bank in market efficiency: The case of Taiwan

Pei-wen Chen, Han-ching Huang and Yong-chern Su

Pacific-Basin Finance Journal, 2014, vol. 29, issue C, 239-260

Abstract: This paper investigates the empirical relation between order imbalance and intraday NTD/USD exchange rate dynamics. Using one-year high frequency data, we demonstrate that interbank order imbalances have substantial explanatory power for concurrent exchange rate returns both on the daily and intraday bases. More importantly, we find that lagged-one order imbalances have a predictive negative effect on current returns. Further, we trace the predictability of returns using order imbalances over various intervals to investigate the intraday market efficiency. We show that the weak-form efficiency appears to prevail over intervals of 15 to 60min in the NTD/USD exchange rate market.

Keywords: Order imbalance; Intraday; NTD/USD exchange rate; Predictability (search for similar items in EconPapers)
JEL-codes: G12 G14 G15 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:pacfin:v:29:y:2014:i:c:p:239-260

DOI: 10.1016/j.pacfin.2014.04.002

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