Does parasocial interaction with weight loss vloggers affect compliance? The role of vlogger characteristics,consumer readiness,and health consciousness

Drawing on the notion of parasocial interaction (PSI) and the social comparison theory, this experimental research examines how nutritionist video bloggers (vloggers) influence consumer compliance intentions toward healthy, weight-loss diets. Drawing on two samples (Mexican Americans and White Caucasians) and using structural equation modeling and mediation analysis, this research highlights vloggers’ credibility and physical attractiveness, but not homophily, as salient source characteristics that influence PSI, which in turn reinforces compliance intention. Moreover, consumer readiness, consisting of role clarity, ability, and motivation, serves as a partial mediator of the PSI–compliance intention relationship. Lastly, consumer health consciousness emerged as a significant moderator of the PSI–compliance intention relationship among White Caucasians, but not among Mexican Americans. The findings and their implications are discussed.     

Celebrity endorsements: Investigating the interactive effects of internalization,identification and product type on consumers’ attitudes and intentions

In line with Kang and Herr's work (2006), this research questions the ELM's contention that celebrity credibility serves foremost as a peripheral element in a persuasive communication context. Nevertheless, in a different light to the Kang and Herr's ‘either-central-or-peripheral-role’ of a source characteristic, this research advances that celebrity credibility plays concomitantly central and peripheral roles in a persuasive message context depending on product involvement and brand-purchase motive. Particularly, this research uses the notions of ‘source internalization’ and ‘source identification’ (Kelman, 1961) to theorize that source credibility can have a concomitant dual role (peripheral and central) in a persuasion context. More precisely, this research investigates the interactive effects of source identification and internalization with product involvement as well as brand-purchase motives on consumers' attitudes and intentions. Source internalization is predicted to have persuasive effects in the contexts of high-involvement as well as informational products. Source identification is predicted to have persuasive effects in the context of low-involvement as well as transformational products. The findings of two experiments show that celebrity credibility acts through only a single route (i.e., only internalization has persuasive effects) uniformly across different product involvement levels and brand-purchase motive types. We interpret these results with the lens of the ‘match-up’ hypothesis (Kamins, 1990).     

马铃薯淀粉废水处理技术研究

马铃薯淀粉生产过程中,要排放大量的废水,平均每生产1t淀粉需要加工6.5t左右的马铃薯,排放20t左右的废水。综述了马铃薯淀粉生产废水的来源、水质特性及处理技术。     

A Welcome Revolution in Innovation

This review considers a major new book on von Hippel’s concept of user innovation. Von Hippel’s work has led to a welcome revolution in the economics of innovation. When producers are the innovators, there is an important difference in the interests of innovators and users. This can lead to dysfunctional innovation, especially in mature markets that are monopolised. In contrast, when users innovate, there are no such problems, as the innovator and the user are the same. User innovation can help enhance the power of innovation in wealth creation, and this edited collection helps to establish user innovation as a fully fledged field of the economics of innovation.     

Do consumers still believe what is said in online product reviews? A persuasion knowledge approach

The objective of this paper is to examine the effects of knowledge about manipulated online product reviews on the effectiveness of such reviews in influencing consumers' product evaluations. The results of two empirical studies show that consumers clearly differ with regard to their knowledge that product reviews can be manipulated and that consumers who have such knowledge are less influenced in their product evaluations by reviews, specifically by negative ones. Furthermore, the effects of negative reviews are even weaker when consumers acquire their knowledge through a highly credible source (compared to a less credible source).     

Optimality properties of alternative systems of taxation of foreign capital income

Foreign source capital income taxes are examined from the point of view of optimal taxation. In the framework of a simple economy with international real capital flows, a taxonomy of alternative systems of such taxation is first presented, showing how crediting and other tax parameters induce what are called source-based, residence-based and related systems. Next, tax rates are determined that are optimal from a single country's point of view, given those of the others. The achievability of these rates under the various systems is analyzed. Finally, tax rates that are optimal from an international point of view are considered. Again, achievability of an international optimum under the various systems is considered, leading to the main conclusions that (i) a pure residence-based system in all countries can achieve an international fiscal optimum; (ii) it cannot, however, be sustained as an equilibrium.     

基于开源的软件产品测试过程研究

文章根据开源软件开发模式的特点,结合传统软件测试理论与方法,总结出以开源软件为基础的软件项目测试过程、方法,以及组织的测试流程与方案,并将该成果应用于一个开源项目测试,经过对测试结果进行比较分析,验证了该测试流程及方案的有效性。     

新时代中国的源技术再选择与重化工业布局——基于大国崛起的视角

迄今为止的世界经济是中小型国家经济起飞和发展的时代。中国经济的崛起标志着世界经济进入了新的时代——大国经济崛起的时代,这必将对经济学、经济发展模式、世界经济格局、国际经济秩序等领域带来一系列的深刻变革。不难预料,自然资源条件的约束,将是对我国经济社会发展发生基本的、长期的和经常性作用的因素。必须从需求和供给的诸多方面思考和设计中国的资源战略,但我们认为,其中最重要的是“源技术再选择”和“重化工业再布局”,而且这两者之间是相辅相成的。新的源技术必须符合两个条件：一是推动产业技术体系彻底变革,二是解决人类发展不可持续的问题。另一个思路是把重化工业尽可能布局在沿海,并作大作强,是中国解决资源短缺进而走向经济大国所不可回避的选择。这一点,应该向日本学习。     

淮河源旅游产业发展对生物多样性保护的影响研究

淮河源是我国南北过渡地带生物多样性最丰富的地区之一,近年来快速发展的旅游业对生物多样性保护构成了严重威胁,其主要原因是法规制度不健全、缺乏科学的总体规划与专业管理人员、缺乏有效的社区参与机制及旅游收益转化机制、科普宣教功能不足、部分旅游发展政策不合理、旅游活动对生物多样性的影响评价严重不足。明确区域功能、加强旅游活动中的生物多样性保护宣教、持续发展生态旅游地周边社区经济、完善旅游活动对生物多样性的影响评价、严格旅游活动中的生物多样性保护执法是促进淮河源旅游产业与生物多样性保护协调发展的主要途径。     

云南财政收支结构研究

现行财政管理体制对于具有特殊产业结构的云南财政有着重大影响。在收入不断增长和支出规模快速扩大的过程中,逐渐暴露出云南财政收支结构中存在的一些问题与矛盾。为实现云南财政的可持续发展,必须在致力发展经济、增加税源、加强征管、堵塞漏洞、加强财政支出管理的同时,继续争取中央财政的有力支持。