标题: Time-varying arrival rates of informed and uninformed trades <br/>作者: Easley, D; Engle, RF; O'Hara, M, et al.<br/>来源出版物: JOURNAL OF FINANCIAL ECONOMETRICS &nbsp;&nbsp;卷: 6 &nbsp;&nbsp;期: 2 &nbsp;&nbsp;页: 171-207 &nbsp;&nbsp;出版年: 2008