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Bartley R. Danielsen Robert A. Van Ness Richard S. Warr 《Journal of Business Finance & Accounting》2009,36(9-10):1273-1293
Abstract: We examine how the introduction of single-stock futures impacts short sale costs and short interest levels in the underlying spot market. We find that short selling in the underling securities declines, after futures are introduced, the cost of borrowing stock for short sales declines and the available unborrowed supply of lendable shares increases. These results are consistent with futures exchanges providing a low-cost substitute market for establishing short positions. Microstructure evidence also suggests that the lower cost and greater ease of short selling via futures markets draws informed traders from the spot market. 相似文献
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W. M. J. Van Lutterveld 《De Economist》1919,68(1):598-602
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When handling missing data, a researcher should be aware of the mechanism underlying the missingness. In the presence of non-randomly missing data, a model of the missing data mechanism should be included in the analyses to prevent the analyses based on the data from becoming biased. Modeling the missing data mechanism, however, is a difficult task. One way in which knowledge about the missing data mechanism may be obtained is by collecting additional data from non-respondents. In this paper the method of re-approaching respondents who did not answer all questions of a questionnaire is described. New answers were obtained from a sample of these non-respondents and the reason(s) for skipping questions was (were) probed for. The additional data resulted in a larger sample and was used to investigate the differences between respondents and non-respondents, whereas probing for the causes of missingness resulted in more knowledge about the nature of the missing data patterns. 相似文献
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Clifford Koen Sandra J. Hartman Maurice Villere 《Employee Responsibilities and Rights Journal》1990,3(2):139-152
A little-explored issue in the psychological and legal literature involves test validation. This article discusses issues of test validation from both psychological and legal perspectives. Areas of inconsistency are noted and probable future directions are high-lighted. 相似文献
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Bartley R. Danielsen Robert A. Van Ness Richard S. Warr 《Journal of Business Finance & Accounting》2007,34(1-2):202-221
Abstract: Auditors, as corporate insiders, have access to private information regarding the firm's financial and business opacity that is unavailable to outside investors. We test whether auditors price their knowledge of firm opacity in their audit fees by examining two competing hypotheses. The first states that higher audit fees may reflect the greater risk that the auditor faces in auditing an opaque firm. Under this hypothesis, market based measures of opacity will be positively correlated with higher fees. The second hypothesis states that firms buy reputational capital from their auditor by paying high fees in an attempt to improve the market's perception of the firm's transparency. In this case, higher audit fees are negatively correlated with market based measures of opacity. Our results are consistent with the first hypothesis, that auditors price opacity risk into their fees. 相似文献