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91.
A general approach for constructing filters to produce trend estimates from a repeated survey is described. This approach accounts for the correlation structure induced by the rotation pattern used in the survey. Different filters are developed depending on whether the trend analysis is based on elementary estimates available for each rotation group or overall estimates obtained by combining the rotation group estimates. The properties of trend estimates obtained directly from the elementary estimates, those obtained from the simple average of the rotation group estimates and trend estimates obtained from the best linear unbiased estimates of the population characteristics of interest are compared. These comparisons are done for a number of rotation pattern, enabling an assessment of the impact of the choice of rotation patterns on trend estimation. 相似文献
92.
关于制定饭店客房价格若干方法的讨论 总被引:1,自引:0,他引:1
刘燕舞 《桂林旅游高等专科学校学报》1999,(3)
在激烈的市场经济条件下,饭店制定灵活的房价政策尤其重要。介绍了成本为主定价策略的若干具体方法,建议饭店应根据具体情况灵活多样地制定本企业的房价。 相似文献
93.
[目的]开展土地综合承载力评价是科学编制国土空间发展战略的基础。通过构建包含水土资源承载力、经济承载力和生态承载力3个维度土地综合承载力评价指标体系,定量刻画郑州市城市土地综合承载力的特征与轨迹。[方法]运用均方差法,选取2010—2016年郑州市城市土地综合承载力评价指标,分析其土地综合承载力特征。[结果](1)总体上,郑州市城市土地综合承载力不断增强,水土资源承载力呈现先升—降—升的动态演变特征; 经济承载力持续增长,这源于郑州市土地经济效益的大幅提升; 生态承载力呈现波动性增强的演变特征。(2)郑州市城市土地综合承载力经历了较低—中等—较高发展历程,但土地综合承载力处于低层次的较高阶段,仍有较大提升空间。(3)为提高郑州市城市土地综合承载力,应加快“多规合一”规划的编制,科学划定城市增长边界和“三生”空间,转变城市发展理念,优化发展发展路径,提升城市土地综合承载力水平。[结论]郑州市城市土地综合承载力仍有较大提升空间,应加快建立土地综合承载力扩容的有效机制。 相似文献
94.
We investigate the relationship between a country's domestic financial development and the (composition of its) net foreign asset position using a pooled mean group estimator and data for 50 countries for the 1970–2007 period. The results show that financial development reduces a country's long-run net foreign asset position. In addition, financial development leads to higher net equity and lower net debt positions. These findings confirm the theoretical predictions of Mendoza et al. (2009). The results are robust to using different indicators of financial development and inclusion of the level of development of a country in the cointegrating relationship. 相似文献
95.
《Bulletin of economic research》2018,70(1):E89-E96
This paper develops a difference‐in‐semielasticities (DIS) interpretation for the coefficients of dichotomous variable interaction terms in nonlinear models with exponential conditional mean functions, including but not limited to Poisson, Negative Binomial, and log linear models. We show why these interaction term coefficients cannot be interpreted as a DIS or semielasticity in the same manner as continuous coefficients, which has been overlooked by some empirical researchers. Then we show how interaction terms can be easily transformed into a DIS and derive the asymptotic distribution of this estimator. We illustrate the discrepancy between the interaction term coefficient and the DIS using an empirical example evaluating the relationship between employment, private health insurance and physician office visits. Our results can be applied in treatment effect models when the outcome variable is logged and the dichotomous variables indicating treatment participation and the post‐treatment time period. 相似文献
96.
(Expected) adverse effects of the ‘ICT Revolution’ on work and opportunities for individuals to use and develop their capacities give a new impetus to the debate on the societal implications of technology and raise questions regarding the ‘responsibility’ of research and innovation (RRI) and the possibility of achieving ‘inclusive and sustainable society’. However, missing in this debate is an examination of a possible conflict between the quest for ‘inclusive and sustainable society’ and conventional economic principles guiding capital allocation (including the funding of research and innovation). We propose that such conflict can be resolved by re-examining the nature and purpose of capital, and by recognising mainstream economics’ utilitarian foundations as an unduly restrictive subset of a wider Aristotelian understanding of choice. 相似文献
97.
Alan H. Dorfman 《Revue internationale de statistique》2018,86(2):259-274
Statistical criteria are needed by which to evaluate the potential success or failure of applications of small area estimation. A necessary step to achieve this is a protocol—a series of steps—by which to assess whether an instance of small area estimation has given satisfactory results or not. Most customary attempts at evaluation of small area techniques have deficiencies. Often, evaluation is not attempted. Every small area study requires an external evaluation. With proper planning, this can be routinely achieved, although at some cost, amounting to some sacrifice of efficiency of global estimates. We propose a Routine External Evaluation Protocol to allow us to judge whether, in a given survey, small area estimation has led to accurate results and sound inference. 相似文献
98.
Dimitrios Malliaropulos 《Journal of Business Finance & Accounting》1996,23(1):93-106
This paper examines empirical evidence of predictability of long-horizon real and excess stock returns in the UK using univariate as well as multivariate Variance Ratio tests. In order to estimate the sampling distribution of the test statistics, artificial histories ofstock returns are generated from their empirical distribution using the bootstrap method. This allows the construction of significance levels of the test statistic which are free from distributional assumptions. The empirical results indicate that there is no evidence of mean reversion in stock prices even if a wider information set to forecast stock returns is used and that the significance of historical Variance Ratio statistics has been overstated by previous studies. 相似文献
99.
The relation between stock returns and short-term interest rates 总被引:1,自引:0,他引:1
This study examines the relation between the expected returns on common stocks and short-term interest rates. Using a two-factor
model of stock returns, we show that the expected returns on common stocks are systematically related to the market risk and
the interest-rate risk, which are estimated as the sensitivity of common-stock excess returns to the excess return on the
equally weighted market index and to the federal fund premium, respectively. We find that the interest-rate risk for small
firms is a significant source of investors' portfolio risk, but is not properly reflected in the single-factor market risk.
We also find that the interest-rate risk for large firms is “negative” in the sense that the market risk estimated from the
single-factor model overstates the true risk of large firms. An application of the Fama-MacBeth methodology indicates that
the interest-rate risk premium as well as the market's risk premium are significant, implying that both the market risk and
the interest-rate risk are priced. We show that the interest-rate risk premium explains a significant portion of the difference
in expected returns between the top quintile and the bottom quintile of the NYSE and AMEX firms. We also show that the turn-of-the-year
seasonal is observed for the interest-rate risk premium; however, the risk premium for the rest of the year is still significant,
although small in mangitude. 相似文献
100.
Susan R. Van Patten Daniel R. Williams 《Leisure Sciences: An Interdisciplinary Journal》2013,35(5):448-464
Researchers continue to explore the nature of place meanings and especially how these meanings are created, disseminated and contested. This paper uses the conceptual framework of discursive social psychology to identify varying interpretive frames homeowners use to characterize the meaning and significance of their seasonal homes as vacation and recreation residences. Among the frames are refuge from modern life, the importance or centrality of seasonal homes in people's lives, obligations and burdens entailed by maintaining dual residences and interactions within a community. The paper advocates for an approach to place meaning that acknowledges the social basis of meaning yet recognizes and focuses on how individuals appropriate and use interpretive frames to explain their relationships to place. 相似文献