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1.
PITFALLS IN CROSS‐SECTION STUDIES WITH INTEGRATED REGRESSORS: A SURVEY AND NEW DEVELOPMENTS 下载免费PDF全文
In cross‐section studies, if the dependent variable is I(0) but the regressor is I(1), the true slope must be zero in the resulting “unbalanced regression.” A spuriously significant relationship may be found in large cross‐sections, however, if the integrated regressor is related to a stationary variable that enters the DGP but is omitted from the regression. The solution is to search for the related stationary variable, in some cases the first difference of the integrated regressor, in other cases, a categorical variable that can take on limited number of values which depend on the integrated variable. We present an extensive survey, new developments, and applications particularly in finance. 相似文献
2.
This study investigates long-run convergence of per capita output across ten Asian countries over 1960 to 2014 by taking advantage of possible economic growth determinants, which may be responsible for setting Asian countries on a long-term steady-state growth path. We simultaneously examine the presence of output convergence in the region, as well as the statistical significance of these economic growth determinants, by using a unit root test with a stationary covariate. In addition, the study allows for the presence of endogenous structural changes in the time series under investigation in order to capture sharp drops in per capita outputs, which may be brought about by influential economic events, such as serious economic slumps in domestic economies or the global financial crises in 1997–98 and 2008–09. The limiting distribution of the covariate unit root test that permits structural breaks is also derived. The results show significant evidence to support the convergence hypothesis. In particular, asymptotically absolute convergence holds among Hong Kong, Korea, Singapore, and Taiwan. In addition, Thailand shows a convergence tendency in terms of asymptotically relative convergence toward Singapore. Malaysia, Indonesia, and India also turn out to converge toward Hong Kong in an asymptotically relative sense. Certain potential growth determinants, such as the trade/GDP ratio, inflation rate, government expenditure/GDP ratio, and quality of human capital, may help these countries achieve and maintain the long-run convergence process toward the reference countries in the region. 相似文献
3.
The study ascertained the impact of the Fast Track Land Reform Programme (FTLRP) in Zimbabwe on tobacco production. The Chow Test, Vector Error Correction Model (VECM) and the Vector Error Granger-Causality Test were applied. The results reveal that there was a structural break in tobacco sales in the year 2000. Furthermore, in the long-run, area under tobacco production had a positive impact whilst number of tobacco producers had a negative impact on tobacco sold pre-FTLRP. Post-FTLRP, area of tobacco and number of tobacco producers had negative impact. In addition, the FTLRP induced an 8.94 % increase in the speed of adjustment in correcting the long-run equilibrium in tobacco sales. In the short-run, the FTLRP caused a percentage increase in the area of tobacco production and number of tobacco producers to induce a 0.65 % and 0.76 % increase in the tobacco sales, respectively. Area of tobacco production and number of tobacco producers Granger-caused tobacco sales in the pre-FTLRP period. Post-FTLRP, the number of tobacco growers Granger-caused tobacco sales. It is concluded that the FTLRP had an impact on tobacco sales, mainly through the number of tobacco growers. The study recommends the specialisation and training of the new farmers to improve productivity. 相似文献
4.
《International Journal of Forecasting》2020,36(3):1128-1137
On 23 June, 2016, the UK held a referendum to decide whether to stay in the European Union or leave. The uncertainty surrounding the outcome of this referendum had major consequences for public policy, investment decisions, and currency markets. We discuss some of the subtleties involved in smoothing and disentangling poll data in light of the problem of tracking the dynamics of the intention to Brexit, and propose a multivariate singular spectrum analysis method that produces trendlines on the unit simplex. The trendline yield via multivariate singular spectrum analysis is shown to resemble that of local polynomial smoothing, and singular spectrum analysis presents the nice feature of disentangling the dynamics directly into components that can be interpreted as changes in public opinion or sampling error. The merits and disadvantages of some different approaches for obtaining smooth trendlines on the unit simplex are contrasted, in terms of both local polynomial smoothing and multivariate singular spectrum analysis. 相似文献
5.
Chiharu Ishida 《Journal of Business Ethics》2006,67(1):63-74
The construct of Cognitive Moral Development (CMD) has drawn much attention in the study of business ethics for over two decades. The Defining Issues Test (DIT) has made a significant contribution to the literature as an easy-to-administer CMD instrument, and the Moral Judgment Test (MJT), an alternative scale, has also been used widely especially in Europe. The two scales differ in their approaches to measuring CMD, focusing on stage preference (DIT) and stage consistency (MJT), yet empirical comparisons have been scarce. The present research empirically compares the two scales in terms of their correspondence with ethical ideology as a reference scale, and it demonstrates a clear distinction between the DIT and the MJT. Although they both aim to measure CMD, their dissimilar approaches lead to distinctly different implications. 相似文献
6.
概述了VXI总线器件的分类,讨论了VXI总线消息基器件和寄存器基器件的特点,以及在测试系统中2种器件对测试吞吐量和程序设计的影响,并提出了优化测试系统的方案。 相似文献
7.
对事业单位国有资产管理进行改革已越来越迫切.作为规范性的事业单位的主体社会公益型组织,评价其资产管理工作的好坏不是以它们所创造的货币收益多少为指标,而必须研究设计出一整套多元的科学指标体系;应在医院、学校等事业单位建立理事会或董事会治理结构;重建成本核算的财务会计制度. 相似文献
8.
文章采用现代计量经济学的分析方法--协整分析和格兰杰因果关系检验,对广东省改革开放以来对外贸易与经济增长的相互关系进行实证分析,结论表明:广东省对外贸易与经济增长之间存在着相互促进的关系,其中,广东省GDP增长对进、出口增加的促进作用大于进、出口增加对GDP增长的促进作用. 相似文献
9.
本文运用格兰杰方法对我国1978-2004年政府支出与经济增长的因果关系进行检验,结果表明:经济增长是我国政府规模的格兰杰原因,但政府规模不是经济增长的格兰杰原因。这一结论说明我国并不存在最优政府规模曲线,但验证了瓦格纳定律,同时也为我国现阶段的财政政策取向提供了有益的参照。 相似文献
10.
This paper analyzes unemployment rates in the euro area (EA) countries to test for EA-related benefits and economic integration of the EA in the form of lower unemployment rates and unemployment rates convergence. We employ recently developed unit root tests with structural breaks and non-normal errors to analyze the persistence, test the stochastic convergence and locate structural break(s) in EA unemployment rates from 1995q1 to 2016q2. Our results imply a certain degree of unemployment hysteresis in the EA. Even though the results support the stochastic convergence of the majority of EA countries, we find that EA membership is not a sufficient condition for stochastic convergence. Nevertheless, EA-related breaks are followed by the periods of convergence to the EA11 average. Crisis-related breaks are followed by the periods of divergence. Although providing initial benefits, EA is not functioning as an optimal currency area. 相似文献