关于Ofek & Yermack (2000)的结论

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Ofek & Yermack (2000) concludes that executives sell all of their acquired shares from option exercises within one year. The conclusion is very striking.
But I think its R-square is too low, indicating the model has low explanatory power. It's also tricky to draw conclusion on an OLS coefficient that's not even significant.
I think the conclusion is not justified. Let me know what you think.

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关键词：MACK Ofek Mac ERM RMA conclusion exercises acquired option within

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