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Why Commonality Persists?, Raja Velu, Zhaoque Zhou, Chyng Wen Tee
Why Commonality Persists?, Raja Velu, Zhaoque Zhou, Chyng Wen Tee
Research Collection Lee Kong Chian School Of Business
Studies on commonality in returns, order flows and liquidity find that the first principal component is closely aligned with the market factor. With the increasing presence of high-frequency trading, commonality in returns, order flows, and liquidity can potentially arise from the commonality in the interpretation of real-time signals. In this paper, we go beyond the first factor and show that the other dominant principal components consistently reflects investors' herding behavior, demonstrating the multi-dimensional aspect of commonality. Instead of relating the asset returns to order flows, we take both as endogenous, and provide empirical evidence showing that returns commonality is driven …