New evidence on the relation between ret
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Thomas C. Chiang; Zhuo Qiao; Wing-Keung Wong
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Article
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2009
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John Wiley and Sons
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English
⚖ 122 KB
## Abstract In the empirical literature, it has been shown that there exists both linear and non‐linear bi‐directional causality between trading volumes and return volatility (measured by the square of daily return). We re‐examine this claim by using realized volatility as an estimator of the unobs