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Purpose: This paper aims to investigate whether single-name options trading prior to earnings announcements is more informative when there exist real activity manipulations. Design/methodology/approach: Using 5,419 earnings announcements during 2004–2018 made by 208 public US companies with...
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The firm-level approach to intraindustry trade reveals that the variation in the number of exporters or exported varieties (extensive margin) accounts for a greater share of the changes in aggregate trade than the variation in the average exports per firm variety (intensive margin). This paper...
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