2011 | OriginalPaper | Chapter
Market Influence and Order Book Strategies
Author : François Ghoulmié
Published in: Econophysics of Order-driven Markets
Publisher: Springer Milan
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I review in this paper
1
my findings on order driven market modeling. Following my previous works on robust agents based modeling in finance [
1
–
3
,
5
], I study specific characteristics of order book markets. By controlling the descriptive time scale of the dynamics involved, I show how market impact, linear by definition, and trading strategies lead to precise pictures for clarifying order book dynamics, consistent with what is observed empirically. I then discuss more specifically the role of market impact in the created dynamics and structure of the book and the economic implications of my studies.
The article is organized as follows. In Sect. 1, I describe financial market dynamics in an agent-based market model that clarifies the role of volatility in characteristics observed on a wide range of descriptive time scales. I define in Sect. 2 the limit order book model, agents’ strategies, and link liquidity provision to volatility estimates. I focus the analysis on the dynamics and structures of the book in Sect. 3. I discuss the economic implications of the results and draw conclusions in the last sections.