排序方式： 共有75条查询结果，搜索用时 15 毫秒
71.
GATS模式4服务贸易的统计范围与数据来源研究 总被引：2，自引：2，他引：0
内容提要：本文以模式4和其他统计体系的关系为主线,通过对《国际服务贸易统计手册》认定的范围及类别分析,将模式4的统计范围进行了扩展;进一步,我们建立了模式4统计在人数和服务价值两方面的数据信息需求,并说明这些数据主要来自其他统计体系;对于人数统计,提出了一个初步测算模式4自然人数的数据来源列表,研究其对应与不对应性;对于服务价值统计,研究了模式4统计与BOP和SNA（1993）的对应性,对有关货币指标进行改进来评估模式4。 相似文献
72.
Roberto Di Pietra Christos A. Grambovas Ivana Raonic Angelo Riccaboni 《Journal of Management and Governance》2008,12(1):73-91
This paper presents evidence that corporate governance quality measured by (1) the board size and (2) the fraction of directors
that serve on more corporate boards, influences the market value of firms. The analysis is based in Italy, a country that
is characterized by family and concentrated ownership, low legal protection of investors and pyramidal firm structures. Our
empirical results suggest that the level of ‘busy-ness’ of corporate directors as a measure of board effectiveness has a significant
influence on firm’s market performance. By contrast, we find limited evidence that board size has a substantial impact on
the market valuation, except in small and medium enterprises and in some specific industry sectors.
Roberto Di Pietra is a full professor in Accounting and Business Administration at the Department of Business and Social Studies, University of Siena, Italy, He received a Ph.D. in Accounting and Business Administration from the University of Pisa in 1997; he has also received a specialization in Banking in 1993. Di Pietra’s main research interests are in International Accounting (IAS/IFRS and Financial statements, IAS and corporate governance, accounting regulation, IAS and organizational learning), in Auditing and in Accounting History. Christos A. Grambovas is currently at the Centre for the Analysis of Investment Risk of the Manchester Business School, The University of Manchester. Prior to his appointment in MBS, Christos held joint positions as a teaching and research fellow in the University of Wales, Bangor and post-doctoral research fellow in the University of Valencia. While undertaking his PhD (Wales), he was a research fellow in the University of Valencia and the Autonoma University of Madrid, as part of the EU research project ‘Harmonia’. Ivana Raonic is Lecturer in Accounting and Finance at the CASS Business School City of London. She received a PhD in Accounting and Finance at the University of Wales. She has joined Cass Business School in 2004 and previously she has taught at the University of Siena where she spent two years as a post-doctoral research fellow. Ivana’s research interests are particularly focused on Capital markets, Corporate governance and Earnings properties. Angelo Riccaboni is Dean of the Richard Goodwin School of Economics, University of Siena, where he teaches Management Control. He is Member of the Management Committee of the European Accounting Association. He has been a Visiting Scholar at the University of Southern California (Los Angeles), INSEAD, London School of Economics, University of Wales, Bangor (United Kingdom), Columbia Business School, DePaul University Chicago. 相似文献
| Angelo RiccaboniEmail: |
Roberto Di Pietra is a full professor in Accounting and Business Administration at the Department of Business and Social Studies, University of Siena, Italy, He received a Ph.D. in Accounting and Business Administration from the University of Pisa in 1997; he has also received a specialization in Banking in 1993. Di Pietra’s main research interests are in International Accounting (IAS/IFRS and Financial statements, IAS and corporate governance, accounting regulation, IAS and organizational learning), in Auditing and in Accounting History. Christos A. Grambovas is currently at the Centre for the Analysis of Investment Risk of the Manchester Business School, The University of Manchester. Prior to his appointment in MBS, Christos held joint positions as a teaching and research fellow in the University of Wales, Bangor and post-doctoral research fellow in the University of Valencia. While undertaking his PhD (Wales), he was a research fellow in the University of Valencia and the Autonoma University of Madrid, as part of the EU research project ‘Harmonia’. Ivana Raonic is Lecturer in Accounting and Finance at the CASS Business School City of London. She received a PhD in Accounting and Finance at the University of Wales. She has joined Cass Business School in 2004 and previously she has taught at the University of Siena where she spent two years as a post-doctoral research fellow. Ivana’s research interests are particularly focused on Capital markets, Corporate governance and Earnings properties. Angelo Riccaboni is Dean of the Richard Goodwin School of Economics, University of Siena, where he teaches Management Control. He is Member of the Management Committee of the European Accounting Association. He has been a Visiting Scholar at the University of Southern California (Los Angeles), INSEAD, London School of Economics, University of Wales, Bangor (United Kingdom), Columbia Business School, DePaul University Chicago. 相似文献
73.
贵州农村人口老龄化现状、原因及影响 总被引：1，自引：0，他引：1
贵州省农村在经济相对落后的情况下进入年老型社会,特点是:人口老龄化程度高于城镇,引起这一现象的主要原因是男青壮年劳动力外流,老年人口数相对增大;高龄老人多且性别比失调;空巢和独居老人比重大。由于贵州农村经济发展滞后,将会造成总抚养系数偏高、代际关系恶化和医疗设施紧缺等不良影响。对此,必须采取大力发展经济、提倡家庭养老等四项措施。 相似文献
74.
《Econometric Reviews》2013,32(4):341-370
Abstract The power of Pearson's overall goodness-of-fit test and the components-of-chi-squared or “Pearson analog” tests of Anderson [Anderson, G. (1994). Simple tests of distributional form. J. Econometrics 62:265–276] to detect rejections due to shifts in location, scale, skewness and kurtosis is studied, as the number and position of the partition points is varied. Simulations are conducted for small and moderate sample sizes. It is found that smaller numbers of classes than are used in practice may be appropriate, and that the choice of non-equiprobable classes can result in substantial gains in power. 相似文献
75.
In the control of tropical disease, data are typically collected using pool screening design. When eradication programs have been in place for a period of time, researchers are interested in testing whether the disease prevalence is below a certain target level using one-sided likelihood ratio test (LRT). We will investigate the finite and large-sample properties of this test statistic. Based on simulations, if the number of pools is not large enough, the LRT has inflated type I error rate. Consequently, researchers will make the critical mistake of stopping the treatment when the target level has not been reached. 相似文献