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81.
We introduce a quantile regression approach to panel data models with endogenous variables and individual effects correlated with the independent variables. We find newly developed quantile regression methods can be easily adapted to estimate this class of models efficiently. 相似文献
82.
83.
涨跌停机制的绩效:上海股市的经验分析 总被引:2,自引:0,他引:2
一直以来,理论界和实务界对证券市场实施涨跌停机制的效果存在争议.本文以改进了的Kim和Rhee(1997)的研究方法为基础,结合上海股市的个股价格资料,从波动率溢出假设、延迟价格发现假设和交易干涉假设三个方面对上海股市涨跌停机制的绩效进行实证考察.研究结果表明,中国股市的涨跌停机制是缺乏效率的.文章的最后提出了放宽价格限制幅度和采取不对称的涨跌停机制的政策建议. 相似文献
84.
收入分配与人口健康的关系是一个争论已久的问题。本文在总结各种理论假说和以往实证研究的基础上,使用新的、质量较好的跨国面板数据,重新检验了收入分配与人口健康的关系。本文的分析重点有二:一是收入分配对人口健康的滞后影响;二是医疗资源在收入分配与人口健康的相关关系中所起的作用。本文的主要发现是,收入不均对人口健康的确有不利影响,但这种不利影响需要10年或更长的滞后期才能充分显现出来,这种滞后性是以往使用固定效应模型的跨国研究未能检测到收入不均与人口健康具有负相关关系的主要原因。此外,医疗资源(特别是初级医疗资源)人均拥有量对人口健康有积极作用;医疗资源有可能通过某种不可观察固定因素对收入分配与人口健康的关系发生影响。这些发现有助于澄清关于收入分配与人口健康关系的争论,对医疗政策也有重要参考价值。 相似文献
85.
Michael Theobald Peter Yallup 《Journal of International Financial Markets, Institutions & Money》2005,15(5):407-424
Intradaily volatility is related to the speed of adjustment of prices towards their intrinsic values. The decomposition of volatility into intrinsic and noise related components is demonstrated to be impacted by speeds of adjustment. Intradaily speeds of adjustment are estimated for U.K. index data and some empirical evidence of overreaction at the open and underreaction at the close of the trading day found for the FTSE100 index. The major result that we report in this paper is that differential intradaily volatilities at the index level are related to differential speeds of adjustment, thus providing insights into the similar results reported in U.S. index studies, such as [Gerety, M., Mulherin, J., 1994. Price formation on stock exchanges: the evolution of trading within the day. The Review of Financial Studies 7, 609–629]. 相似文献
86.
Spatial heterogeneity and interregional spillovers in the European Union: Do cohesion policies encourage convergence across regions? 总被引:3,自引:0,他引:3
Julin Ramajo Miguel A. Mrquez Geoffrey J.D. Hewings María M. Salinas 《European Economic Review》2008,52(3):551-567
Using a spatial econometric perspective, the speed of convergence for a sample of 163 regions of the European Union (EU) over the period 1981–1996 is estimated. For this purpose, we use a specification strategy which allows an explicit modeling of both spatial heterogeneity and spatial autocorrelation found in the analyzed sample. The estimated final model combines groupwise heterocedasticity, the identification of two spatial regimes and spatial dependence. Our results show how an appropriate consideration of the role of spatial effects can shed new insights into the European convergence process. We find that regions in the EU cohesion-fund countries (Ireland, Greece, Portugal and Spain) are converging separately from the rest of regions of the EU. Our estimations indicate that over the analyzed period, there was a faster conditional convergence in relative income levels of the regions belonging to Cohesion countries (5.3%) than in the rest of the regions of the EU (3.3%). Therefore, our results contrast with other evidence that points to the fact that the convergence process in Europe has weakened or even has stopped at the beginning of the 1980s. Moreover, our work shows clear evidence of separate spatial convergence clubs among EU regions. 相似文献
87.
FDI and economic growth: the role of local financial markets 总被引:11,自引:0,他引:11
In this paper, we examine the various links among foreign direct investment (FDI), financial markets, and economic growth. We explore whether countries with better financial systems can exploit FDI more efficiently. Empirical analysis, using cross-country data between 1975 and 1995, shows that FDI alone plays an ambiguous role in contributing to economic growth. However, countries with well-developed financial markets gain significantly from FDI. The results are robust to different measures of financial market development, the inclusion of other determinants of economic growth, and consideration of endogeneity. 相似文献
88.
Small Island Tourism Economies (SITEs) are developing sovereign countries that rely on tourism as a source of exports, and need a consistent inflow of foreign investment in order to facilitate economic growth. Access to international capital markets helps SITEs smooth out their consumption over time, while absorbing adverse domestic production shocks. This paper provides a comparison of tourism growth, country risk returns and their associated volatilities (or uncertainty) for 2 SITEs, namely Cyprus and Malta. Monthly data are available for both international tourist arrivals and composite country risk ratings compiled by the International Country Risk Guide (ICRG) for the period May 1986 to May 2002. The time-varying conditional variances of tourism growth and country risk returns for the 2 SITEs are analysed using multivariate models of conditional volatility. Empirical results show that Cyprus and Malta are complementary destinations for international tourists. Changes to tourism patterns in Cyprus lead to changes to tourism patterns in Malta. Hence, tour operators and national tourism promotion authorities in Cyprus and Malta should collaborate closely in marketing and promoting joint tourism products. Moreover, foreign entities interested in investing in the tourism sectors of Cyprus and Malta should consider investment projects that span a long period of time. The performance of the tourism sector and the associated composite risk are independent of each other for the two countries. However, there is a direct relationship between the tourism sectors of Cyprus and Malta and their respective country risk settings. 相似文献
89.
In this paper, not only do we posit that the presence of a multinational corporation may entail significant benefits for the
host economy and local firms’ performance, but also that these benefits can be actively sought and dynamically reinforced
by local firms through the development of intense, embedded customer–supplier relationships. Building on the relational view,
we argue that this may happen through the commitment of resources to relation-specific investments. Our hypotheses find support
in a sample of SMEs suppliers of ST Microelectronics, the fourth largest producer of microelectronic components in the world.
We show that by making relation-specific investments, local firms can grow quantitatively and qualitatively, improve their
innovativeness, and acquire new clients. 相似文献
90.
We provide evidence on the influence of expectations and network effects on the timing of technological adoption. By considering
a sample of SMEs operating in Italy, we focus on the determinants of their decision to adopt Fast Ethernet, a communication
standard for Local Area Networks (LANs). We find that both expectations and network effects significantly affect the timing
of adoption. In particular, price expectations generally tend to delay adoption and (indirect) network effects in the form
of backward compatibility as well as informational spillovers tend to foster adoption. Firm size also matters.
相似文献
Nicoletta CorrocherEmail: |