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排序方式: 共有261条查询结果,搜索用时 46 毫秒
1.
当前,长三角区域经济、社会快速健康发展,形势喜人。但长三角区域行政体制僵化,运作缓慢,效率低下,阻碍了区域经济社会的进一步发展。关于长三角区域的发展,学术界、政府部门和民间有不同的看法,笔者就长三角区域行政的发展思路作个分析与评价,以加深对这个问题的研究。 相似文献
2.
长三角居民赴韩旅游消费模式初探 总被引:7,自引:0,他引:7
在实证研究的基础上从出游认知、消费构成、消费评价和消费趋势进行分析,探讨了长三角地区居民赴韩旅游消费模式。研究表明,长三角地区居民赴韩旅游出游认知和消费构成亦处于初级阶段,对消费评价和消费倾向大体上持肯定态度和乐观态度。 相似文献
3.
Luis A. Gil-Alana 《Empirical Economics》2003,28(1):101-113
Tests of unit roots and other nonstationary hypotheses that were proposed by Robinson (1994) are applied in this article
to the Nelson and Plosser's (1982) series. The tests can be expressed in a way allowing for structural breaks under both the
null and the alternative hypotheses. When applying the tests to the same dataset as in Perron (1989), we observe that our
results might be consistent with those in Perron (1989) when testing the nulls of trend-stationarity or a unit-root. However,
we also observe that fractionally integrated hypotheses may be plausible alternatives in the context of structural breaks
at a known period of time.
Final version received: August 2000/Final version accepted: August 2001
RID="*"
ID="*" The author gratefully acknowledges the financial support from the European TMR grant No. ERBFMRX-CT-98-0213. Comments
of two anonymous referees are also acknowledged. 相似文献
4.
Long memory in volatilities of German stock returns 总被引:3,自引:0,他引:3
We show that there is strong evidence of long-range dependence in the volatilities of several German stock returns. This will be done by applying a method using the difference of the classical log-periodogram regression estimator for the memory parameter and of the tapered periodogram based estimator. Both estimators give similar values for the memory parameter for each series and this indicates long memory. To support our findings we apply also a methodology using the sample variance and a wavelet based estimator to the data. Also these two methods show clear evidence of long-range dependence in the volatilities of German stock returns.First version received: December 2001/Final version received: March 2003The computational assistance of Eleni Mitropoulou and Björn Stollenwerck as well as the helpful comments of two unknown referees are gratefully acknowledged. Research supported by Deutsche Forschungsgemeinschaft under SFB 475. Stock returns were obtained from Deutsche Finanzdatenbank (DFDB), Karlsruhe. 相似文献
5.
On a clear day you might see an environmental Kuznets curve 总被引:1,自引:0,他引:1
We shed some new light on the Environmental Kuznets curve (EKC) and show how it can be viewed as a particular form of equilibrium
relationship, where technology and preference parameters determine the shape of the curve. In contrast to most of the literature
on the EKC, we estimate a theoretically consistent model on long-run data (Swedish sulfur emission, covering the period 1900–2002).
Furthermore, we test and date structural change. The model suggests four regimes, 1900–1918, 1919–1933, 1934–1967 and 1968–2002,
generating four rather different patterns for pollution over time. The policy-conclusions are consonant with Pearce’s general
view about the EKC: there is no theoretical presumption that it has an inverted U shape, nor should any country try to “grow
out of the environmental problems” without analyzing the benefits and costs of so doing. 相似文献
6.
刘彬 《云南财贸学院学报》2007,23(5):101-105
通过一个可重复博弈模型,揭示了中国在国际铁矿石贸易中面临由非市场因素造成的价格上涨问题,认为,造成这种现象的根本原因是中国在铁矿石贸易中的市场地位并没有随着进口量的提高而提高,并从资源安全角度提出了应对策略。 相似文献
7.
We apply the modified rescaled range test to the return series of 1,952 common stocks. The results indicate that long memory is not a widespread characteristic of these stocks. But logit models of the event of a test rejection reveal that rejections are linked to firms with large risk-adjusted average returns. The maximal moment of a return distribution is also found to influence the event of a rejection, but not in a way suggestive of moment-condition failure. Evidence suggestive of survivorship bias is also uncovered. We conclude that there is some evidence consistent with persistent long memory in the returns of a small proportion of stocks. 相似文献
8.
James B. Ang 《The Scandinavian journal of economics》2015,117(4):1134-1175
The importance of the length of state history for understanding variations in income levels and growth rates across countries has received a lot of attention in the recent literature on long‐run comparative development. The literature, however, is silent about its origins. This paper explores the determinants of statehood by considering the potential roles of an early transition to fully‐fledged agricultural production, the adoption of state‐of‐the‐art military innovations, and the opportunity for economic interaction with the regional economic leader. The results demonstrate that only the association between economic interaction and the rise and development of the state is statistically robust. 相似文献
9.
Liisa Mäkelä Vesa Suutari Chris Brewster Michael Dickmann Christelle Tornikoski 《Thunderbird国际商业评论》2016,58(1):29-40
We examine how the development of three types of career capital (knowing how, knowing whom, and knowing why) during an international assignment affects the perceived marketability of organizational expatriates. Using the perceived marketability perspective and long‐term follow‐up data, we show that knowing how is seen as the most transferable type of career capital, while the development of other aspects of career capital has little impact on perceived marketability. We also show that career capital development is more recognized in the external market than by current employers. Our findings expand our understanding of long‐term career marketability among people who have completed international assignments. © 2015 Wiley Periodicals, Inc. 相似文献
10.
《International Journal of Forecasting》2019,35(2):502-520
Managing the distribution of fuel in theater requires Army fuel planners to forecast demand at the strategic level to ensure that fuel will be in the right place, at the right time, and in the amounts needed. This work presents a simulation approach to forecasting that accounts for the structure of the supply chain network when aggregating the demand of war fighters across the theater over the forecasting horizon. The resulting empirical distribution of demand at the theater entry point enables planners to identify forecast characteristics that impact their planning process, including the amplitudes and temporal positions of peaks in demand, and the estimated lead time to the point of use. Experimentation indicates that the forecasts are sensitive to the pattern of war fighter demand, the precise structure of the in-theater supply chain network, and the constraints and uncertainty present in the network, all of which are critical planning considerations. 相似文献