Liang Peng () (Department of Finance) Gina Nicolosi () (Department of Finance) Ning Zhu () (School of Management)
Abstract
This paper investigates whether individual investors adjust their stock trading according to their stock selection abilities, which can be inferred from their trading history. Fixed-effect panel regressions provide strong evidence that the ability to forecast future stock returns significantly affects investors' trading activity: investors purchase more actively if they are more likely to have stock selection ability. Furthermore, trading experience - measured by the number of purchases, the number of different stocks purchased, and the variance of purchase dollar amounts - significantly helps improve investors' portfolio performance. In addition, we find that learning behavior varies across investors, which corroborates the heterogeneity of individual investors.
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