西方中央银行沟通视角下的预期管理研究：渠道、手段及效果

近年来,中央银行沟通成为一种新型的货币政策工具。基于中央银行沟通视角,分析西方国家在预期管理中的渠道、手段及效果,结论表明中央银行沟通有助于预期管理。借鉴西方国家沟通经验,提出中央银行的有效沟通,需要中央银行独立性及问责制作保障;重视沟通的规律性,强调沟通信息的清晰和准确;注重对宏观经济运行认识水平,提高公众的经济学素养。     

The Effect of Word-of-Mouth Communication on Stock Holdings and Trades: Empirical Evidence From an Emerging Market

The purpose of this study is to investigate the relationship between investors’ satisfaction and intention and word-of-mouth communication. This study contributes to the ongoing debate on the relationship between investor behavior and word-of-mouth communication. Many studies are related to investors’ participation and individual investors’ asset allocation decisions that are instigated by their social community via word-of-mouth communication whereas this study directly investigates the relationship between investment satisfaction and intention and word-of-mouth communication. We emphasize how many factors are considered when making satisfactory investment decisions. Our results confirm the strong relationship between the satisfaction and intention of investors and word-of-mouth communication. This finding may be useful to regulators, investors and managers who seek to establish effective rules for stock holdings and trade.     

Firm heterogeneity and immigrant wage assimilation

This article investigates the role of job mobility in immigrant wage assimilation. I use longitudinal linked employer–employee data for Portugal to estimate the immigrant wage catch-up in log wage regressions with both individual and firm fixed effects. I show that moving to firms with higher wage premiums accounts for approximately 30% of the immigrant wage catch-up in the first years.     

If only consumers knew: How sampling impacts wine innovation diffusion in the U.S. foodservice industry

A survey (n = 151) explored consumers’ experiences with wine-on-tap, a current trend in the U.S. foodservice industry. Wine consumers’ innovativeness (R² = .49) was explained by wine involvement, opinion leadership, and usage of information sources. Those who recently tried wine-on-tap (n = 43) were significantly more innovative (innovators) than those who never tried it (noninnovators). Furthermore, noninnovators expected to pay significantly less for a glass of wine-on-tap when compared with wine poured from a bottle. Contrary to expectations, the driving force for noninnovative behavior is lack of availability and awareness as opposed to a lack of interest in wine-on-tap.     

Understanding employee preferences for investing in employer stock: evidence from France

In this article, we broaden the focus of existing research on employee stock purchase plans by analysing employee preferences for investing in employer stock as a construct distinct from actual investment behaviour. In our analysis of original survey data in a sample of 900 employees in four French companies, we find that employee preferences are influenced by two common cognitive heuristics (representativeness and familiarity), organisational commitment, the perceived quality of corporate communications about these plans and perceived managerial commitment to employee ownership. We did not find, however, that risk aversion, turnover intentions or perceived employee involvement in decision making influenced preferences for investing in employer stock. Our findings have both theoretical and practical implications for understanding and operating these types of employee benefit plans, which are becoming more common across the globe.     

How does the effect of pre-play suggestions vary with group size? Experimental evidence from a threshold public-good game

Numerous studies have examined factors influencing the likelihood of cooperative outcomes in nonzero-sum games, but there has been little study of the interaction between two of the most important: group size and pre-play cheap talk. We report results from an experiment in which groups of size between 2 and 15 play a one-shot multi-player threshold public-good game. In our random leader treatment, all group members select a suggestion (e.g., “Everyone should choose X”), with one randomly chosen to be broadcast to the group. In a choice only treatment, subjects choose suggestions but none is sent, and in a baseline treatment, there are no suggestions at all. We find a negative interaction between group size and this kind of communication: the beneficial effect of both suggestions overall and cooperative suggestions on cooperation, cooperative outcomes, and payoffs decreases sharply as the group size increases. We find a similar negative interaction in a follow-up treatment in which all group members’ suggestions are broadcast to the group. Our results suggest that care should be taken in generalising conclusions from small-group experiments to large groups.     

一种改进的CPFSK信号频率估计方法

针对突发信号解调中多普勒频偏大的问题，提出了一种改进的连续相位移频键控信号(CPFSK)频率估计方法。首先接收信号平方运算使信号的调制指数加倍，再通过一次离散傅里叶变换(DFT)，用搜索信号平方谱谱峰的方法实现突发信号频率估计。仿真实验表明，在低信噪比条件下，该算法的频率估计精度比经典的相位差频率估计算法提高了20%；该算法与广泛用于高动态突发信号的频率插值估计算法相比，同道干扰信道下信干比改善可达4 dB，DFT长度缩短约1/3。     

The effects of the visual presentation of an Influencer's Extroversion on perceived credibility and purchase intentions—moderated by personality matching with the audience

Influencers are ordinary individuals who have amassed large followings by demonstrating expertise in various niches on social media sites. We aim to propose (1) the visual presentation of an Influencer's extroversion as an antecedent to source credibility and purchase intentions and (2) personality matching in terms of extroversion between an Influencer and their audience as a moderator of such relationships. We chose the source credibility model and the similarity-attraction model as our theoretical frameworks. In our controlled online experiment (n = 165), the profile of a brand ambassador of a fashion brand was curated to create two levels of extroversion (i.e. low vs. high extroversion). Participants' self-reported extroversion levels were counterbalanced in these two conditions to create a personality match with the Influencer, entitled “extroversion congruence.” Our results suggest that the visual presentation of an Influencer's extroversion increases the perceived credibility of the Influencer and subsequent purchase intentions. Additionally, our findings show that these relationships were asymmetrically moderated by extroversion congruence: the positive effects of extroversion increase in the case of high extroversion among both the Influencer and their audience but decrease in the case of low extroversion.