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Journal of Finance Vol. 55 No. 6 2000

Time and the Price Impact of a Trade

Alfonso Dufour1,2; Robert F. Engle3,4,5,6

1 ICMA Centre · 2 University of Reading · 3 Cornell University · 4 University of California San Diego · 5 The Centre for Health (New Zealand) · 6 New York University

open access

Abstract

We use Hasbrouck's (1991) vector autoregressive model for prices and trades to empirically test and assess the role played by the waiting time between consecutive transactions in the process of price formation. We find that as the time duration between transactions decreases, the price impact of trades, the speed of price adjustment to trade‐related information, and the positive autocorrelation of signed trades all increase. This suggests that times when markets are most active are times when there is an increased presence of informed traders; we interpret such markets as having reduced liquidity.

DOI
10.1111/0022-1082.00297
Volume
55
Issue
6
Pages
2467-2498
Language
en
Sources
openalex bibtex:phds-export.bib crossref

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