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151.
由于装载机结构庞大,电器元件隐蔽分散,不适合实物教学。我院研制开发的柳工856装载机电气故障模拟试验台结构紧凑、尺寸小,可在实验室内直接进行实验。教学效果较好,而且经济效益明显,占用实验室空间小。对国内高职院校工程机械电气课程教学有一定的示范和借鉴作用。 相似文献
152.
153.
In this paper we test for asymmetric behaviour of business cycles for the G7 countries, using the entropy-based test for asymmetry suggested by Racine and Maasoumi [Racine, J.S., & Maasoumi, E. (in press-a). A versatile and robust metric entropy test of time-reversibility, and other hypotheses, Journal of Econometrics; Racine, J.S., & Maasoumi, E. (in press-b). A robust entropy based test for asymmetry. Econometric Reviews.]. We find overwhelming evidence of symmetry. In only 14% of the cases, we find some evidence of asymmetric behaviour of GDP and per capita GDP. More importantly, the period marked by the flexible exchange rate regime, over which much of the empirical work for the G7 countries has been conducted, evidence suggests that the two GDP series are symmetric. 相似文献
154.
This paper empirically tests the law of one price by applying unit root tests to three panels consisting of data on 90 consumer
price indices for the EU-25, the EU-15 and the 10 new EU member countries that joined the EU in 2004. The four major findings
of this paper are: (1) panel unit root tests find evidence of price convergence for about 70% of all product groups, (2) the
results are sensitive to the choice of the numeraire country implying that any conclusions must be based on all bilateral
combinations, (3) the average half life across all product groups is 2.0 years, (4) the overall evidence for the law of one
price is weaker in the 10 new EU member countries than in the EU-15.
相似文献
Isabell Koske (Corresponding author)Email: |
155.
本文利用1999年7月至2008年4月的月度数据,运用协整检验以及基于VECM的Granger因果检验等计量方法,封人民币升值封两岸经贸关系的影响进行探讨。结果表明,人民币汇率与两岸经贸关系的三个核心指标都存在长期稳定的均衡关系。从长期来看,两岸经贸关系的三个核心指标都是人民币名义汇率的单向Granger原因;而从短期来看,不存在Granger因果关系。至于人民币升值封大陆封台出口、大陆自台进口以及台商对大陆投资的影响,无论是长期还是短期,都不明显。简言之,人民币升值封两岸经贸发展的负面影响不明显,而且从长远来看,两岸经贸关系的发展将有利于人民币汇率的稳定。 相似文献
156.
This study applies stationary test with a Fourier function proposed by Enders and Lee (2004, 2009) to test the validity of long run Purchasing Power Parity (PPP) to assess the nonstationary properties of the real exchange rate for 20 African countries. We find that our approximation has higher power to detect U shaped breaks and smooth breaks than linear method if the true data generating process of exchange rate is in fact a stationary nonlinear process. We examine the validity of PPP from the nonlinear point of view and provide robust evidence clearly indicate that PPP holds true for almost African countries. Our findings point out their exchange rate adjustment is mean reversion towards PPP equilibrium values in a nonlinear way. 相似文献
157.
This article investigates regional income convergence in Russia during 2000–2008. We test the hypothesis in which income divergence across regions of the country should give place to income convergence as the country moves toward free market economy with strong market institutions. The study contributes to the existing literature by using the exponential smooth autoregressive Augmented Dickey–Fuller (ADF) unit root test in a panel setup, a novel econometric technique, which encompasses cross sectional dependence. Results show strong evidence of on-going regional income divergence in post-reform period. 相似文献
158.
Wei-han Liu 《Applied economics》2013,45(8):813-825
The maturity effect (ME) of futures prices postulated by Samuelson (1965) is re-examined using three nonparametric tests. The consistent entropy asymmetry test by Racine and Maasoumi (2007) indicates that variance is an appropriate risk or uncertainty measure for ME, and value-at-risk and expected shortfall are also adopted. The Kolmogorov–Smirnov dominance test and Wilcoxon rank sum and signed rank test are employed to rank the estimates of the three risk measures under a moving-window framework. The testing outcomes are contingent on futures type, testing method and risk measures. The testing outcomes show mild support for ME. 相似文献
159.
Shengrong Lu 《Applied economics》2013,45(18):1833-1846
This study adopts a spatial dynamic panel data approach and spatial quasi-maximum likelihood to re-estimate the speed of growth convergence in 91 countries based on technological interdependence and spatial externalities. We perform a conditional Lagrange multiplier test for spatial error dependence and find some differences to previous studies. First, the switch from a cross-sectional to a dynamic panel data framework enables the estimated rate of conditional convergence to be higher, more accurate and more appropriate for realistic and theoretical expectations. Second, the spatial Durbin model (SDM) is a general form of simplified model that considers spatial error correlation, and its likelihood ratio test for the theoretical model of ‘learning by doing’ effect provides further evidence. Finally, statistical tests find that spatial correlation not only occurs in each variable, but also appears in the error term. Thus, the SDM does not exist in the assumptions associated with the spatial error, which are not necessarily correct. 相似文献
160.
This paper seeks empirical evidence of nonlinear mean-reversion in relative national stock price indices for Emerging Asian countries. It is well known that conventional linear unit root tests suffer from low power against the stationary nonlinear alternative. Implementing the nonlinear unit root tests proposed by Kapetanios et al. (2003) and Cerrato et al. (2009) for the relative stock prices of Emerging Asian markets, we find strong evidence of nonlinear mean reversion, whereas linear tests fail to reject the unit root null for most cases. We also report some evidence that stock markets in China and Taiwan are highly localized. 相似文献