作者: STEPHEN FIGLEWSKI , GWENDOLYN P. WEBB
DOI: 10.1111/J.1540-6261.1993.TB04738.X
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摘要: This paper presents empirical evidence that trading in options contributes to both transactional and informational efficiency of the stock market by reducing effect constraints on short sales. The significantly higher average level interest exhibited optionable stocks supports argument facilitate selling. We also find significant effects option prices, related underlying stock. then present increase information efficiency. Earlier work, is replicated extended here, has suggested sale cause prices underweight negative information. Options appear reduce effect.