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71.
测量作为服务于国民经济建设的重要行业,随着传统测绘技术向数字化测绘技术转化,它表现出复杂性及多样性,当我们面对一项新的测量任务时,除了传统学习模式之外,我们该如何更好地提高自身地业务水平呢?本文结合作者工作经验论述了上述问题,为测量同行提供一些建议及指导。 相似文献
72.
Jonathan Wakefield Taylor Okonek Jon Pedersen 《Revue internationale de statistique》2020,88(2):398-418
Small area estimation (SAE) entails estimating characteristics of interest for domains, often geographical areas, in which there may be few or no samples available. SAE has a long history and a wide variety of methods have been suggested, from a bewildering range of philosophical standpoints. We describe design-based and model-based approaches and models that are specified at the area level and at the unit level, focusing on health applications and fully Bayesian spatial models. The use of auxiliary information is a key ingredient for successful inference when response data are sparse, and we discuss a number of approaches that allow the inclusion of covariate data. SAE for HIV prevalence, using data collected from a Demographic Health Survey in Malawi in 2015–2016, is used to illustrate a number of techniques. The potential use of SAE techniques for outcomes related to coronavirus disease 2019 is discussed. 相似文献
73.
《Economic Systems》2020,44(2):100783
This research uses experimental methods to investigate whether subject pool culture and institutional environment have an effect on participants’ corrupt behavior in the laboratory. While we find that subject pool culture does not affect the overall magnitude of corruption of laboratory participants, it does affect the likelihood of corruption and its distribution. Additionally, we find that the effect on corrupt behavior differs with the framing of the experiment’s instructions. Interestingly, in the context of a weak rule of law and high levels of corruption, loaded negative instructions positively affect corrupt behavior of firms and public officials. Previous research in the context of a country exhibiting a strong rule of law and low levels of corruption finds no framing effects. We also find that increasing the probability of detection significantly reduces corruption as measured by the amount of the bribes offered/accepted and the probability of offering/accepting a bribe. Finally, we find that individual risk preferences negatively affect the level of corrupt behavior. 相似文献
74.
This mixed methods study investigated how value is created in the physical retail space and how the customer experience is influenced by digital technology. A cross-sectional survey, with both qualitative and quantitative components, was distributed across a heterogeneous sample of 832 customers. The results revealed an overarching model comprised of three interrelated clusters: customer, service provider, and digital technology. We propose that this model can be understood as a valuescape, where customers' specific goals, needs, and desires drive them to interact and co-create value with service providers in the physical retail space, with digital technology either enhancing or disrupting this value co-creation process. The results also show that the importance of aligning digital solutions with customers’ drives increases at the same pace as reliance on technology. The findings offer guidelines on how to utilize digitalization to leverage customer experiences and thus strengthen the attractiveness of physical retail spaces. 相似文献
75.
《International Business Review》2020,29(4):101705
This paper examines the emergence of trust by multifaith target-firm personnel in foreign acquirer CEOs during early post-acquisition integration, a decisive period for acquisition success, yet considerably under-researched. Combining self-categorization and similarity-attraction theories, we argue that religious similarity with the foreign acquirer’s CEO represents shared values to the personnel, from which trust in the CEO arises. Further, we scrutinize the moderating effects of the personnel’s religiosity and prior alliance success between the acquirer and target firm. We test our model using field-experimental data from 411 multifaith Malaysian personnel. The findings show that personnel-leader trust occurs more readily with religious similarity than religious dissimilarity, and that the personnel’s religiosity strengthens this relationship. However, a successful prior alliance does not weaken the religious similarity–trust relationship. Our research encourages acquisition managers to consider religion, a factor beyond the traditional acquisition playbook, as a trust antecedent during early post-acquisition integration. 相似文献
76.
《International Journal of Forecasting》2022,38(3):1050
We provide a correction to Proposition 1 in Optimal and robust combination of forecasts via constrained optimization and shrinkage, published in the International Journal of Forecasting 38(1):97-116 (2021). This correction has no impact on any other result (neither theoretical nor empirical) provided in the above paper. 相似文献
77.
营养素是食品中重要养分,在烹调过程中,营养素也会发生改变。烹调通过增加色、香、味等,使食品更利于吸收,但烹调过程会破坏食品的一些营养素,而不同烹调方法对食品营养素的影响也不同。 相似文献
78.
Marie Paul 《The Scandinavian journal of economics》2016,118(3):494-523
In this paper, I study the causal effects of part‐time work on current and future wages. To estimate these effects, I use a random effects model with a wage equation capturing the employment history and a dynamic multinomial probit component for the choice of employment status. Exclusion restrictions from the institutional context are exploited to support identification. The results suggest that working part‐time with few hours has a large causal effect on current wages, but more extensive part‐time work does not reduce current wages. However, both types of part‐time work lead to negative long‐term wage effects. 相似文献
79.
胡茜 《北京市经济管理干部学院学报》2016,(3):66-69
通过对北京地区高职思政课教学状况的调查发现,思政课教学质量及教学效果与预期有一定差距。根据高职教育与普通本科教育在培养目标、学生基础等方面的差异性,编写高水平的高职思政教材,完整配备责任能力强和专业水平高的师资队伍,提高课堂教学水平,是改进高职思政课教学的有效策略。 相似文献
80.
Deplaning naturally occurs row by row down the length of an aircraft. Using simulation and optimization, we design deplaning strategies (e.g., deplane by group and/or column) that significantly reduce the overall unstructured deplaning time. The evaluations derived from a combination of optimization and simulation were tested across several equipment types using data gathered through field observations for calibration. 相似文献