近代路矿关系新探:以津浦铁路与中兴煤矿为中心的考察

近代煤矿多分布在较为偏远的地区,煤炭能否运销出去成为各煤矿经营的关键要素。在铁路修建之前,各煤矿的运输大多依赖人力、牛车或水运等方式,路途遥远,效率低下,运费高昂,且运量有限,所费时日颇多。铁路修建之后,不仅大大便利了煤炭的运输,而且由于铁路本身是煤炭消费大户,使得路、矿关系日益密切。在此基础上,路矿之间还会衍生出其他多层次关系。这些关系建立在运输基础之上,却又远远超过运输层面。它们之间紧密相连,相互间或多或少具有连锁反应。路、矿双方之间利益错综复杂,相互让利而又彼此收利,是一种长期合作的互利互惠关系。     

外商在华投资的独资化倾向及对策研究

近年来,跨国公司在华企业呈现出明显的独资化倾向。本文在对海外直接投资进入模式影响因素进行分析的基础上,从宏观和微观两个层面探讨了跨国公司在华企业的独资化发展的成因,分析了这种倾向对我国经济技术发展与企业成长所带来的机遇及挑战,并提出了相应的策略和政策建议。     

提高教师和学生在英语课堂上的互动性——一份行动研究报告

针对大学英语教师面临学生上课积极性不高 ,缺乏互动性这一问题 ,本文根据行动研究结果 ,拟从起因、推测、方法介入、结果等方面描述整个研究过程     

Monetary policy,trade-offs and the transmission of UK Monetary Policy

We provide a new method to model changes in monetary policy of the Bank of England (BoE) as well as the impact of these changes on UK economy. This is important as central bankers have widened the range of instruments in their monetary policy toolbox. Specifically, we estimate a proxy for the monetary policy stance and then analyse a time-varying parameter vector autoregressive with stochastic volatility model to explain the BoE’s trade-offs when making policy decisions and as well as to demonstrate dynamic impacts of monetary policy on inflation and economic growth. The empirical results show that our estimated monetary policy proxy is better at capturing the BoE’s policy when the interest rate lower bound becomes binding.     

高职院校网络教学模式探索与实践

本文从网络教学背景与模式,网络教学的定义、特点、结构与模式,教师的角色,网络教学的思考、建设与问题等方面做了简要的分析。     

陈与义诗词互动之考察

陈与义是两宋之交的杰出诗人。他的诗、词创作在当时都有名气。他的诗、词创作既都具有多元化风格的一面,又有诗多纪实词多言情不同的一面。陈与义诗词互动首先体现在简斋词题材立意的诗化和创作技巧的诗化,这些是诗歌对词的影响和渗透;其次体现在简斋词对简斋诗流丽特点的影响以及简斋诗句化用词句等方面,这些是词对诗歌的影响和渗透。     

A Clustering-based Test for Nonadditivity in an Unreplicated Two-way Layout

When there are several replicates available at each level combination of two factors, testing nonadditivity can be done by the usual two-way ANOVA method. However, the ANOVA method cannot be used when the experiment is unreplicated (one observation per cell of the two-way classification). Several tests have been developed to address nonadditivity in unreplicated experiments starting with Tukey's (1949 Tukey, J.W. (1949). One degree of freedom for non-additivity. Biometrics 5:232–242.[Crossref], [Web of Science ®] , [Google Scholar]) one-degree-of-freedom test for nonadditivity. Most of them assume that the interaction term has a multiplicative form. But such tests have low power if the assumed functional form is inappropriate. This leads to tests which do not assume a specific form for the interaction term. This paper proposes a new method for testing interaction which does not assume a specific form of interaction. The proposed test has the advantage over the earlier tests that it can also be used for incomplete two-way tables. A simulation study is performed to evaluate the power of the proposed test and compare it with other well-known tests.     

Preliminary Inspection of Multivariate Data

A simple approach to the direct inspection of multivariate data is discussed in the context of a specific data set.     

Data-driven smooth tests for the extreme value distribution

In this paper we present data-driven smooth tests for the extreme value distribution. These tests are based on a general idea of construction of data-driven smooth tests for composite hypotheses introduced by Inglot, T., Kallenberg, W. C. M. and Ledwina, T. [(1997). Data-driven smooth tests for composite hypotheses. Ann. Statist., 25, 1222–1250] and its modification for location-scale family proposed in Janic-Wróblewska, A. [(2004). Data-driven smooth test for a location-scale family. Statistics, in press]. Results of power simulations show that the newly introduced test performs very well for a wide range of alternatives and is competitive with other commonly used tests for the extreme value distribution.     

The validity of the occupational stress indicator

During the last two decades two potent groups of predictors for work-related musculoskeletal problems have been identified: physical work load and poor psychosocial working conditions. However, little is known about their combined effects. In this study the buffering effect of control at work with respect to the negative effects of psychological demands and physical work load on musculoskeletal problems is examined. All study variables were sampled from 431 people working in geriatric nursing homes in Germany by means of questionnaires. Main effects and interactions were tested with multiple regression analysis. The results showed that control buffered the effects of high psychological demands, but not of high physical work load; the buffering effect of control was observed only when physical work load was low. The combined effects of demands and physical work load were over-additive. Thus, the power of different predictors for musculoskeletal symptoms depended on the level of other predictors. This suggests that the efficiency of certain strategies for the prevention of musculoskeletal problems is likely to depend on the level of risk factors, with different strategies being appropriate for different levels of risk.