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Table 4 (cont<strong>in</strong>ued)<br />

Ticker α γ λ ξ μ J(8) p-value τ (%)<br />

LHA 0.0019 (137.1) −0.0006 (2.0) 2.3210 (150.8) −0.0008 (6.4) 0.0001 (4.3) 63.0 0.000 0.0307<br />

MEO 0.0134 (115.8) −0.0071 (9.3) 0.9066 (166.7) 0.0000 (0.1) 0.0000 (0.4) 99.1 0.000 0.0345<br />

RWE 0.0051 (178.5) 0.0000 (0.1) 1.2460 (210.3) −0.0009 (11.5) 0.0001 (3.3) 112.6 0.000 0.0188<br />

TKA 0.0024 (139.4) −0.0012 (5.0) 1.9075 (158.9) −0.0002 (2.2) 0.0000 (1.3) 362.6 0.000 0.0285<br />

2×4 quotes from the bid and ask side <strong>of</strong> the visible book are used to construct average update and average break even conditions. The exponential assumption on the<br />

distribution <strong>of</strong> the trade size is ma<strong>in</strong>ta<strong>in</strong>ed. ¼ m,<br />

where m and P denote stock specific sample averages <strong>of</strong> the non-signed trade sizes (number <strong>of</strong> shares) and the<br />

P<br />

midquotes, respectively. The stocks are sorted by ascend<strong>in</strong>g order <strong>of</strong> the J-statistic<br />

Liquidity supply and adverse selection <strong>in</strong> a pure limit order book market 99

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