What Makes Investors Trade? |
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Authors: | Mark Grinblatt & Matti Keloharju |
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Institution: | Anderson School at UCLA,;Helsinki School of Economics, Finland |
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Abstract: | A unique data set allows us to monitor the buys, sells, and holds of individuals and institutions in the Finnish stock market on a daily basis. With this data set, we employ Logit regressions to identify the determinants of buying and selling activity over a two-year period. We find evidence that investors are reluctant to realize losses, that they engage in tax-loss selling activity, and that past returns and historical price patterns, such as being at a monthly high or low, affect trading. There also is modest evidence that life-cycle trading plays a role in the pattern of buys and sells. |
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