search query: @author Wang, J. / total: 17
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| Author: | Lo, A. Wang, J. |
| Title: | Trading volume: definitions, data analysis, and implications of portfolio theory |
| Journal: | Review of Financial Studies
2000 : SUMMER, VOL. 13:2, p. 257-300 |
| Index terms: | TRADING VOLUMES DATA ANALYSIS MODELS |
| Language: | eng |
| Abstract: | The authors of this paper examine the implications of portfolio theory for the cross-sectional behavior of equity trading volume. Two-fund separation theorems suggest a natural definition for trading activity: share turnover. If two-fund separation holds, share turnover must be identical for all securities. These implications are examined empirically using individual weekly turnover data for NYSE and AMEX securities from 1962 to 1996. |
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