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When do regulatory interventions work?

Nidhi Aggarwal, Venkatesh Panchapagesan and Susan Thomas ()

Working Papers from eSocialSciences

Abstract: Previous studies find mixed results about how a fee on high order-to-trade (OTR) ratios impacts market quality. Using a natural experiment where such a fee was introduced twice for different reasons, this paper finds evidence of impact only when the implementation matched the motive. The paper used a difference-in-difference regression, that exploits microstructure features, to find causal evidence of lower aggregate OTR and higher market quality when the fee was used to manage limited exchange infrastructure, but little to no change in the OTRs or market quality when it was used for a regulatory need to slow down high frequency trading.

Keywords: eSS, Algorithmic trading; financial regulation; market efficiency; market liquidity; financial derivatives, order-to-trade (OTR), market, infrastructure, microstructure features, high frequency trading. (search for similar items in EconPapers)
Date: 2019-04
Note: Institutional Papers
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