Tick Size Reduction and the Components of the Bid-Ask Spread on the Taiwan Stock Exchange

Su-Wen Kuo

International Journal of Financial Research, 2017, vol. 8, issue 1, 79-98

Abstract: We examined the effect of reduced tick size on spread and its various components on Taiwan Stock Exchange (TWSE). The TWSE stands for a representative order-driving call mechanism in the emerging market. The noticeable market features of the TWSE render our findings on the effect of tick-size changes useful in combination with those reported in studies on developed markets. Our evidence strongly indicated that the traded spread and the order-processing component declined after tick size was reduced, whereas the asymmetric information component exhibited less significant changes. We documented a relatively high proportion of the order-processing component of the TWSE compared with that observed in developed markets after tick size was reduced. The cross-sectional regression analysis results indicated that stocks with high binding constraints, a high price, and high trading activity generated substantial savings on the order-processing component after tick-size conversion. Our empirical results highlight the important contributions of reduced tick size on market efficiency specifically in an emerging call market setting.

Keywords: tick size; traded spread; order-processing costs; asymmetric information costs (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:jfr:ijfr11:v:8:y:2017:i:1:p:79-98

DOI: 10.5430/ijfr.v8n1p79

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