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DOES CSR ALWAYS PROTECT FIRMS AGAINST NEGATIVE PUBLICITY?
Teng Gao,Lishan Xie,Patrick Poon 글로벌지식마케팅경영학회 2016 Global Marketing Conference Vol.2016 No.7
Previous research indicates that consumers may resist negative publicity when they perceive a firm to be socially responsible (Klein & Dawar, 2004; Chernev & Blair,2015). However, other research shows corporate social responsibility (CSR) may boomerang the damage of negative publicity (Sohn & Lariscy,2012). Firms may participate in CSR and it is important for market practitioners and researchers to understand the role of different types of CSR in minimizing the impact of negative publicity. This research aims to examine the moderating role of two types of CSR in the effect of negative publicity on consumer responses. An experiment with a 2 (negative publicity type: ability-related vs. morality-related) x 2 (CSR type: philanthropic donation vs. employee wellbeing) between-subjects factorial design was conducted in a major city of China. In the morality-related negative publicity and employee wellbeing condition, the participants were shown with employee wellbeing materials and a morality-related negatively publicized article about a fictitious hotel. Similar arrangements were setup for other different conditions. Then, consumer responses such as firm evaluation and patronage intention were measured. Results of two-way ANOVA revealed a significant interaction effect. The findings indicate that consumers’ patronage intention is lower when a morality-related negative publicity has happened to a firm having “philanthropic donation” type of CSR, and also when an ability-related negative publicity has happened to a firm having “employee wellbeing” type of CSR. Managerial
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Zhiquan Xie,Hui Jin,Jing Teng,Xiaoguang Yang 대한토목학회 2022 KSCE JOURNAL OF CIVIL ENGINEERING Vol.26 No.2
Priority to emergency vehicles, buses, high occupancy vehicles (HOVs), and priced low occupancy vehicles (LOVs) is critical to their efficiency and reliability, where multi-functional exclusive lane (MFEL) serves as a salient element with independent operation environment. To enhance MFEL utility and balance the demand between prioritized and non-prioritized vehicles, this research proposes an optimization model for MFEL design and management to comprehensively serve the trip modes with various priority levels and distinct operation patterns, considering the delay from lane access, bus stop dwelling, signalized intersections, and ride-sharing. Case study follows to calibrate and validate the proposed model under varying passenger demand and emergency vehicle frequency, finding that MFEL may reduce total travel time in all scenarios especially under high traffic demand. Sensitivity analyses test the effect of road lane count and bus occupancy on MFEL design and management, where the road with more lanes is more flexible to accommodate increased passenger demand without increasing HOV critical occupancy or LOV price rate. Moreover, higher bus occupancy assists in avoiding significant increase of LOV price rate to promote trip equity. This research may lay foundation to MFEL implementation to mitigate traffic congestion and promote transport sustainability.
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JCAD deficiency attenuates activation of hepatic stellate cells and cholestatic fibrosis
Li Xie,Hui Chen,Li Zhang,Yue Ma,Yuan Zhou,Yong-Yu Yang,Chang Liu,Yu-Li Wang,Ya-Jun Yan,Jia Ding,Xiao Teng,Qiang Yang,Xiu-Ping Liu,Jian Wu 대한간학회 2024 Clinical and Molecular Hepatology(대한간학회지) Vol.30 No.2
Background/Aims: Cholestatic liver diseases including primary biliary cholangitis (PBC) are associated with active hepatic fibrogenesis, which ultimately progresses to cirrhosis. Activated hepatic stellate cells (HSCs) are the main fibrogenic effectors in response to cholangiocyte damage. JCAD regulates cell proliferation and malignant transformation in nonalcoholic steatoheaptitis-associated hepatocellular carcinoma (NASH-HCC). However, its participation in cholestatic fibrosis has not been explored yet. Methods: Serial sections of liver tissue of PBC patients were stained with immunofluorescence. Hepatic fibrosis was induced by bile duct ligation (BDL) in wild-type (WT), global JCAD knockout mice (JCAD-KO) and HSC-specific JCAD knockout mice (HSC-JCAD-KO), and evaluated by histopathology and biochemical tests. In situ-activated HSCs isolated from BDL mice were used to determine effects of JCAD on HSC activation. Results: In consistence with staining of liver sections from PBC patients, immunofluorescent staining revealed that JCAD expression was identified in smooth muscle α-actin (α-SMA)-positive fibroblast-like cells and was significantly up-regulated in WT mice with BDL. JCAD deficiency remarkably ameliorated BDL-induced hepatic injury and fibrosis, as documented by liver hydroxyproline content, when compared to WT mice with BDL. Histopathologically, collagen deposition was dramatically reduced in both JCAD-KO and HSC-JCAD-KO mice compared to WT mice, as visualized by Trichrome staining and semi-quantitative scores. Moreover, JCAD deprivation significantly attenuated in situ HSC activation and reduced expression of fibrotic genes after BDL. Conclusions: JCAD deficiency effectively suppressed hepatic fibrosis induced by BDL in mice, and the underlying mechanisms are largely through suppressed Hippo-YAP signaling activity in HSCs.
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Efficient Multicast Routing on BCube-Based Data Centers
( Junjie Xie ),( Deke Guo ),( Jia Xu ),( Lailong Luo ),( Xiaoqiang Teng ) 한국인터넷정보학회 2014 KSII Transactions on Internet and Information Syst Vol.8 No.12
Multicast group communication has many advantages in data centers and thus is widely used by many applications. It can efficiently reduce the network traffic and improve the application throughput. For the multicast application in data centers, an essential problem is how to find a minimal multicast tree, which has been proved to be NP-hard. In this paper, we propose an approximation tree-building method for the minimal multicast problem, named HD(Hamming Distance)-based multicast tree. Consider that many new network structures have been proposed for data centers. We choose three representative ones, including BCube, FBFLY, and HyperX, whose topological structures can be regarded as the generalized hypercube. Given a multicast group in BCube, the HD-based method can jointly schedule the path from each of receiver to the only sender among multiple disjoint paths; hence, it can quickly construct an efficient multicast tree with the low cost. The experimental results demonstrate that our method consumes less time to construct an efficient multicast tree, while considerably reduces the cost of the multicast tree compared to the representative methods. Our approach for BCube can also be adapted to other generalized hypercube network structures for data centers after minimal modifications.
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Ultrafast UV Switch Based on ZnO-Ag Heterostructures
XIU-YUN AN,Feng Teng,Zhenxing Zhang,Xiaojun Pan,Jinyuan Zhou,ER-QING XIE 대한금속·재료학회 2014 ELECTRONIC MATERIALS LETTERS Vol.10 No.1
ZnO-silver (Ag) heterostructure nanoparticle films were prepared by spin-coating, followed by annealing at 700°C for 2 h. The films were then used as UV photodetector which show high photoresponse. The heterostructure-film device displayed an ultrafast decay time of 18 ms and a rise time of 50 ms upon ultraviolet irradiation. Additionally, the time-dependent photocurrent upon UV switching reveals a rectangularly shaped profile, rarely reported in previous literature. The highly improved photoresponse properties of ZnO-Ag heterostructure-film device could be attributed to the Schottky barrier height (SBH) and depletion width reduction from the embedded Ag nanoclusters. Compared to a pure ZnO film, both the responsivity (Rλ) and external quantum efficiency (EQE) of the ZnO-Ag heterostructure-film photodetectors were improved more than 13-fold. This research provides a promising strategy for fabricating UV-photodetectors with ultrafast response.
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THE IMPACT OF NEGATIVE BRAND PUBLICITY ON HOTEL CONSUMERS IN CHINA
Patrick Poon,Lishan Xie,Teng Gao 글로벌지식마케팅경영학회 2014 Global Marketing Conference Vol.2014 No.7
Negative publicity can be defined as negative information about a product, a service, a brand, an organization or an individual that is circulated through mass media such as print media and broadcast media (Dean, 2004; O'Guinn, Allen, & Semenik, 2011). Indeed, there has been a growing interest in the marketing literature concerning the effects of negative brand publicity on consumer perceptions and evaluations (Cleeren, van Heerde, & Dekimpe, 2013; Dills & Hern?ndez Juli?n, 2012; Pullig, Netemeyer & Biswas, 2006; Thirumalai & Sinha, 2011). Negatively publicized instances such as defective products/services or unethical business practices are likely to impair a brand’s image and its equity. However, previous literature has mainly focused on the effect of performance-related negative publicity on consumer responses and there are limited studies about the effect of value- or ethics-related negative publicity. Owing to the inherent characteristics of inseparability and intangibility, hospitality managers need to pay particular attention to ethical issues and the detrimental impact of value-related negative publicity. This study aims to examine the impact of negative brand publicity on hotel consumers for two types of negative publicity (namely, performance-related and value-related). A content analysis and a consumer survey were conducted in China so as to investigate the hotel recovery strategy and consumer responses toward negative publicity. The content analysis was performed on two largest local daily newspapers in China. It showed that the occurrence of value-related negative publicity (e.g., not keeping promises, or dishonesty) was much greater than performance-related negative publicity (e.g., untidy room, or equipment malfunction) in China’s hotel industry. Compensations appeared to be the most common method for hotel responses toward the two types of negative publicity. The consumer survey showed that consumer responses such as hotel evaluations and patronage intentions were negatively affected by negative brand publicity. Female consumers were found to be more sensitive to unethical issues than male consumers. In other words, females were more negatively affected by value-related publicity than performance-related publicity. Managerial implications for hospitality managers are discussed.
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