Trading Volume in Dealer Markets

Katya Malinova () and Andreas Park

Working Papers from University of Toronto, Department of Economics

Abstract: We develop a financial market trading model in the tradition of Glosten and Milgrom (1985) that allows us to incorporate non-trivial volume. We observe that in this model price volatility is positively related to the trading volume and to the absolute value of the net order flow, i.e. the order imbalance. Moreover, higher volume leads to higher order imbalances. These findings are consistent with well-established empirical findings. Our model further predicts that higher trader participation and systematic improvements in the quality of traders' information lead to higher volume, larger order imbalances, lower market depth, shorter duration, and higher price volatility.

Keywords: Market Microstructure; Trading Volume; Liquidity (search for similar items in EconPapers)
JEL-codes: G10 G14 D82 D84 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-mst
Date: Written
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