评审专家抽取中的时间距离约束分析

针对现有评审专家抽取中距离约束存在的不足,本文提出了一种新的时间距离约束。本文介绍了时间距离的含义及其提出的必要性,并给出了基于GIS技术的时间距离计算方法,具体包括相关假设、计算步骤、解决方案以及实现过程。时间距离约束的提出不仅可以保证所有被选专家都可按时到达评审地点,而且还能打破行政区域的限制,合理调配专家资源,具有重要的现实意义。     

一种利用短时DFT分析实现全数字2DPSK接收机解调的新算法

本文提出了一种简单而实用的利用短时DFT（ST-DFT）分析实现全数字2DPSK接收机的解调算法。该算法对由多谱勒效应引起的时变频率漂移具有鲁棒性。由于该算法是通过检测在载频处的瞬时能量谱的跳变来实现2DPSK信号的解调，所以该算法不需要进行专门的载波相位恢复、符号定时，且具有较好的抗噪性能，实现起来简单。     

未确认融资费用的实际利率摊销法研究——资金时间价值轴上的全新思路

本文从财务管理时间价值角度阐述未确认融资费用如何合理分摊的问题,提出了与一般会计实务教材标准解法完全相反的思路,得到了相同的效果,并对两种解题思路作了详细的比较分析,并在此基础上提出有关会计计量的若干假说。     

Comparing the accuracy of several network-based COVID-19 prediction algorithms

Researchers from various scientific disciplines have attempted to forecast the spread of coronavirus disease 2019 (COVID-19). The proposed epidemic prediction methods range from basic curve fitting methods and traffic interaction models to machine-learning approaches. If we combine all these approaches, we obtain the Network Inference-based Prediction Algorithm (NIPA). In this paper, we analyse a diverse set of COVID-19 forecast algorithms, including several modifications of NIPA. Among the algorithms that we evaluated, the original NIPA performed best at forecasting the spread of COVID-19 in Hubei, China and in the Netherlands. In particular, we show that network-based forecasting is superior to any other forecasting algorithm.     

2008: Golden Time in Gold Market

Pushed by increased demand from both jewelers and investors, China has become the drivin, g force behind the world's gold market in 2007. Chinas gold market this year has maintained its growing momentum with booming demand, not only in the domestic market but also in the international market.     

The Persistence of Profits in the Long Run: A New Approach

We present a trend‐based alternative to the standard first‐order autoregression model in persistence of profits studies. This is motivated by reservations over the interpretation of the standard model, and rests on a different concept of dynamic competition. A nine‐category taxonomy of long‐run persistence stereotypes is developed. Structural time series estimates are presented for a sample of UK companies. We find the null of long run competitive equilibrium not rejected in nearly a third of cases, but non‐eroding persistence to be present in around 60%.     

演化视角下全产业链创新网络结构及核心企业行为对创新绩效的影响——以苹果公司网络为例

从理论上分析了全产业链创新网络结构特点以及核心企业行为模式与创新绩效的关系,提出相关假设;从开放性的2个维度,即开放广度和开放深度量化核心企业开放式创新的行为模式。依据偏最小二乘法,将结构和行为模式的表征变量作为自变量,创新绩效的4个表征变量作为因变量,进行交叉检验;最后选取1个主成分进行回归分析,检验理论假设。     

Effects of time processing orientation, agreement preferences and attitude towards foreign businessmen on negotiation adaptation

An experiment was conducted among Singaporean executives to determine how they adapt to a foreign partner depending on the partner's time processing orientation and agreement preferences, and their attitude towards businessmen from the country the foreign partner was from. Results showed that Singaporean executives tended to have monochronic time processing and preferred written to oral agreements. Further, when a foreign partner exhibited a monochronic processing orientation, these executives had greater liking for and were more willing to accept this trait than when he had a polychronic processing orientation. Liking for the foreign partner was also enhanced. In terms of agreement preferences, the executives showed greater liking for and willingness to accept the trait when the foreign partner had a written than an oral preference. Finally, willingness to accept the foreign partner as a business partner was enhanced once they knew where the foreign partner came from, regardless of their attitude towards businessmen from that country. Implications are discussed and directions for future research furnished.     

How do Scores of DIT and MJT Differ? A Critical Assessment of the Use of Alternative Moral Development Scales in Studies of Business Ethics

The construct of Cognitive Moral Development (CMD) has drawn much attention in the study of business ethics for over two decades. The Defining Issues Test (DIT) has made a significant contribution to the literature as an easy-to-administer CMD instrument, and the Moral Judgment Test (MJT), an alternative scale, has also been used widely especially in Europe. The two scales differ in their approaches to measuring CMD, focusing on stage preference (DIT) and stage consistency (MJT), yet empirical comparisons have been scarce. The present research empirically compares the two scales in terms of their correspondence with ethical ideology as a reference scale, and it demonstrates a clear distinction between the DIT and the MJT. Although they both aim to measure CMD, their dissimilar approaches lead to distinctly different implications.     

Statistical manipulability of social choice functions

We consider the proportion of profiles at which an anonymous neutral social choice function cannot be manipulated to any coalition's advantage. We fix the number of alternatives and consider the limit as the number of individuals goes to infinity, and assume that the limit of the fraction of all profiles in the domain is 1. We show that there is a continuous function on “profile vectors’ which gives the maximum probability of strategy-proofness, and that this is strictly between 0 and 1 for three alternatives. We also analyze a number of common social choice functions along these lines.