日语中的委婉表现及其语用功能

日语里有很多委婉的表现形式 ,如改换词语、以表喻里的暗喻法、模糊语、省略、正话反说、反话正说、借用其他词语等等。不同的表现形式包含有不同的语用功能。采用这些委婉的表现形式 ,其目的都是为了最终达到理想的交际效果。     

LOG-PERIODOGRAM ESTIMATION OF LONG MEMORY VOLATILITY DEPENDENCIES WITH CONDITIONALLY HEAVY TAILED RETURNS

Many recent papers have used semiparametric methods, especially the log-periodogram regression, to detect and estimate long memory in the volatility of asset returns. In these papers, the volatility is proxied by measures such as squared, log-squared, and absolute returns. While the evidence for the existence of long memory is strong using any of these measures, the actual long memory parameter estimates can be sensitive to which measure is used. In Monte-Carlo simulations, I find that if the data is conditionally leptokurtic, the log-periodogram regression estimator using squared returns has a large downward bias, which is avoided by using other volatility measures. In United States stock return data, I find that squared returns give much lower estimates of the long memory parameter than the alternative volatility measures, which is consistent with the simulation results. I conclude that researchers should avoid using the squared returns in the semiparametric estimation of long memory volatility dependencies.     

T.S艾略特之"阿尔佛雷特的爱之歌"与新批评主义

Ｔ .Ｓ .Ｅｌｉｏｔ -ａＣｅｌｅｂｒａｔｅｄＡｍｅｒｉｅａｎＰｏ ｅｔ,ＤｒａｍａｔｉｓｔａｎｄｃｒｉｔｉｃＴ .Ｓ .Ｅｌｉｏｔ (1 888— 1 965 ) ,ａｃｅｌｅｂｒａｔｅｄＡｍｅｒｉ ｃａｎｐｏｅｔ,ｄｒａｍａｔｉｓｔａｎｄｃｒｉｔｉｃ,ｒｅｃｅｉｖｅｄａｎｅｘｃｅｌｌｅｎｔｅｄｕｃａｔｉｏｎｏｆｃｌａｓｓｉｃａｌｌｉｔｅｒａｔｕｒｅｗｈｅｎｈｅｗａｓｙｏｕｎｇ .ＨｅｆｉｎｉｓｈｅｄｈｉｓｓｔｕｄｉｅｓｉｎＨａｒｖａｒｄｕｎｄｅｒｔｈｅｇｕｉｄａｎｃｅｏｆｔｈｅｗｅｌｌ-ｋｎｏｗｎｓｃｈｏｌａｒｓＩｒｖｉｎ…     

斯·茨威格的教育思想

茨威格在其回忆录和一些小说中，对奥地利当时的教育制度、教学计划、学校、教育者、学生等都是有颇多微词的。今天再来审视茨威格对他的中小学生活的回忆，可以看出他对旧教育制度的愤懑，也不难发现其中蕴含着具有远见卓识的教育理念，这在２１世纪我们大兴创新教育之际仍有借鉴作用。     

独立CAN器件SJA1000的应用

CAN总线已在变电站自动化系统中得到了广泛应用 ,而SJA10 0 0作为PHILIPS公司最近推出的独立CAN器件也已得到了广泛关注。本文简要介绍了SJA10 0 0的基本原理和功能 ,并给出了SJA10 0 0的典型硬件连接原理图及初始化程序和部分通信程序     

英语写作中有效反馈信息的探讨

文章简要阐述了反馈信息,论述了作文工作研究的意义及在作文写作中有效的信息反馈形式,提出了增强写作能力的可行措施。     

Lower bounds on expectations of positive L-statistics from without-replacement models

We consider samples drawn without replacement from finite populations. We establish optimal lower non-negative and upper non-positive bounds on the expectations of linear combinations of order statistics centered about the population mean in units generated by the population central absolute moments of various orders. We also specify the general results for important examples of sample extremes, Gini mean differences and sample range. The paper completes the results of Papadatos and Rychlik [2004. Bounds on expectations of L-statistics from without replacement samples. J. Statist. Plann. Inference 124, 317–336], where sharp negative lower and positive upper bounds on the expectations of the combinations were presented for the without-replacement samples.     

论奥斯古德对昆明高峣社区的人类学研究

1938年夏天,美国年轻学者科尼利尔斯·奥斯古德为了履行与燕京大学的合作计划,不远万里来到滇池西岸一个名不见经传的小村庄调查.1961年,他开启尘封的笔记本,整理旧资料,补充新文献,完成了<旧中国的农村生活:对云南高峣的社区研究>.70年过去,重温科尼利尔斯·奥斯古德的研究历程,我们仍会从中获得许多有益的启示.     

Two-stage Huber estimation

In this paper we propose a new robust estimator in the context of two-stage estimation methods directed towards the correction of endogeneity problems in linear models. Our estimator is a combination of Huber estimators for each of the two stages, with scale corrections implemented using preliminary median absolute deviation estimators. In this way we obtain a two-stage estimation procedure that is an interesting compromise between concerns of simplicity of calculation, robustness and efficiency. This method compares well with other possible estimators such as two-stage least-squares (2SLS) and two-stage least-absolute-deviations (2SLAD), asymptotically and in finite samples. It is notably interesting to deal with contamination affecting more heavily the distribution tails than a few outliers and not losing as much efficiency as other popular estimators in that case, e.g. under normality. An additional originality resides in the fact that we deal with random regressors and asymmetric errors, which is not often the case in the literature on robust estimators.     

Automobile prices and protection: The U.S.-Japan trade restraint

We examine the effects of the U.S.-Japan trade restraint on automobile prices and quality upgrading, for both Japanese imports and American small cars. From April 1981 to April 1984 the suggested retail price of all Japanese models increased by 15.8 percent, or 5.3 percent per year. We find that nearly the entire amount of this rise can be explained by the upgrading of individual models. This upgrading may benefit consumers who would purchase a luxury import in any case, but harms those who desire the basic imports. In addition to upgrading, we conclude that a second cost of the trade restraint has been to prevent the yen depreciation from being passed onto American consumers, in terms of lower imported auto prices. For U.S. small cars we find a 9.1 percent rise in the suggested retail price, or 3 percent per year, with a fraction of this amount due to model upgrading. If the yen depreciation had led to lower import prices without the trade restraint, then we expect that U.S. auto prices would have been lower, too.