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1.
INMOO LEE 《The Journal of Finance》1997,52(4):1439-1466
This article examines the relation between top executives' trading and the long-run stock returns of seasoned equity issuing firms. Primary issuers, who sell mostly newly-issued primary shares, significantly underperform their benchmarks, regardless of the top executives' prior trading pattern. However, top executives' trading is reliably associated with the stock returns of secondary issuers, who sell mostly secondary shares previously held by existing shareholders. On average, secondary issuers do not underperform their benchmarks. The results suggest that increased free cash flow problems after issue play an important role in explaining the underperformance of issuing firms. 相似文献
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Little attention has been paid in the literature to the impact of different investment horizons on the portfolio compositiondespite its importance to portfolio managers. One exception isthe study by Gunthorpe and Levy (1994) on the U.S. stock market.Our paper extends the same study to the stock markets of Japan,Hong Kong and Korea. Using 40 individual stocks in each market,our results support those of Gunthorpe and Levy (1994) in thatthe composition of an optimal portfolio depends heavily on theinvestment horizon. When the investment horizon lengthens, theproportion of defensive stocks becomes larger while that ofaggressive stocks becomes smaller. 相似文献
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RICARDO CORREA KUAN‐HUI LEE HORACIO SAPRIZA GUSTAVO A. SUAREZ 《Journal of Money, Credit and Banking》2014,46(Z1):93-121
We explore the joint effect of expected government support to banks and changes in sovereign credit ratings on bank stock returns using data for banks in 37 countries between 1995 and 2011. We find that sovereign credit rating downgrades have a large negative effect on bank stock returns for those banks that are expected to receive stronger support from their governments. This result is stronger for banks in advanced economies where governments are better positioned to provide that support. Our results suggest that stock market investors perceive sovereigns and domestic banks as markedly interconnected, partly through government guarantees. 相似文献
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This study investigates the behavior of the components of the bid-ask spread around earnings announcements. We find that the adverse selection cost component significantly increases surrounding the announcements, while the inventory holding and order processing components significantly decline during the same periods. Our results suggest that the directional change in the total bid-ask spread depends on the relative magnitudes of the changes in these three components. Specifically, the decreases in inventory holding costs and order processing costs imply that earnings announcements may have an insignificant impact on the total bid-ask spread, even when they result in increased information asymmetry. 相似文献
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本文分析了参与以高息委托贷款为代表的影子银行业务对企业创新活动和未来业绩的影响。通过结合管理层的短视理论,本文分析了企业从事高息委托贷款后企业创新活动变化以及盈利水平和构成的变化。结果表明,当年从事高息委托贷款降低了企业未来的专利产出水平和投入水平,并伴随未来营业利润资产收益率更低和营业外利润资产收益率更高的情形。进一步的分析表明,从事高息委托贷款与否与公司整体盈利能力没有显著差异,更多表现出盈利结构上的差异,说明从事高息委托贷款的根本动机是源于管理层的短视。 相似文献
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为了掌握福鼎市桐江溪卤乙酸(HAAs)的含量、时空分布规律及其来源,对水体中HAAs化合物进行取样调查。根据桐江溪水文情势及沿岸特点设置10个取样点,于2017年12月及2018年7月按照涨潮、退潮情况分别对水样进行采集,检测HAAs分布情况,同时将卤乙酸(HAAs)与水质特性、涨退潮进行了相关性分析。研究发现,HAAs是普遍存在于桐江溪中的污染物质。其中,一氯乙酸(MCAA)、二氯乙酸(DCAA)、三氯乙酸(TCAA)、一溴乙酸(MBAA)、二溴乙酸(DBAA)等5种卤乙酸(HAA_5)质量浓度为0.44~3.39μg/L;一氯乙酸(MCAA)、二氯乙酸(DCAA)、三氯乙酸(TCAA)、一溴乙酸(MBAA)、二溴乙酸(DBAA)、三溴乙酸(TBAA)、一溴一氯乙酸(BCAA)、一溴二氯乙酸(BDCAA)、二溴一氯乙酸(CBDAA)等9种卤乙酸(HAA_9)质量浓度为0.83~56.15μg/L。桐江溪中HAAs主要为DCAA,TCAA,TBAA 3种,其中DCAA为制药厂及医院排水导致,主要分布在下游;TCAA主要来源于河段上游的农业生产活动;TBAA为上游沸石矿尾矿库受雨水冲刷而流入的Br~-所生成,主要分布于河流中下段。相关性分析结果表明,温度与HAA_5,HAA_9质量浓度呈现正相关,pH值与HAA_5,HAA_9质量浓度呈现负相关;TCAA质量浓度于相同季节不同潮汐及不同季节相同潮汐时均呈现上游高于下游的现象,其他HAAs均不因涨潮、退潮的差异造成质量浓度分布的变化。掌握桐江溪HAAs的含量、时空分布规律及来源,探讨其与水质的相关性,对于净水工艺选择、水厂出水HAAs含量的溯源分析、水体环境风险评估以及研究水生生物体内HAAs的累积效应等有重要意义。 相似文献
9.
Using a dynamic model of an open monetary economy, this paper examines the effects of tourism‐related anticipated shocks on goods prices and foreign exchange reserves. Foreign tourists consume mainly non‐traded goods in holiday destinations, converting them into exportable goods. This gives rise to a tourism terms‐of‐trade effect that affects the accumulation of foreign exchange. Announcements of anticipated events bring tourist visits forward, resulting in an initial under‐adjustment or an over‐adjustment in the prices of the non‐traded goods when the tourism terms‐of‐trade effect is positive or negative. This leads to an increase or a decrease in foreign reserves in the long run. 相似文献
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