This research studied the user behavior on online group buying services. In the research model, users’ behavior is represented by three dimensions, satisfactory, trust, and group buying intention. Satisfaction is hypothesized to have positive relationship with trust that will have positive impact on the purchase intention. Each of the three dimensions is divided into two constructs, one for pro...

To succeed in the highly competitive e-commerce environment, it is vital to understand the impact of website quality in enhancing customer conversion and retention. Although numerous contingent website attributes have been identified in the extant website quality studies, there is no unified framework to classify these attributes and no comparison done between customer conversion and retention ...

Purpose: As an Internet-based version of word of mouth, electronic word-of-mouth (eWOM), the new information presented from the perspective of consumers who have purchased and used the product, have become a major informational source for consumers. The purpose of this paper aims to investigate the influence of eWOM on purchasing intention. Moreover, this study examines the moderating effect of...

1 Institute for Studies in Theoretical Physics and Mathematics, P.O.Box 5746, Tehran 19395, Iran. 2 Department of Physics, Alzahra University, Tehran 19834, Iran 3 Department of Physics, Sharif University of Technology, P.O.Box 9161, Tehran 11365, Iran. 4 Department of Physics, Tehran University, North-Kargar Ave. Tehran, Iran. 5 Institute for Advanced Studies in Basic Sciences, P.O.Box 159, Ga...

The purposes of this study are to construct an instrument to evaluate service quality of mobile value-added services and have a further discussion of the relationships among service quality, perceived value, customer satisfaction, and post-purchase intention. Structural equation modeling and multiple regression analysis were used to analyze the data collected from college and graduate students ...

1. Dept. of Radiology, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran 2. Epidemiology and Biostatistics Department, School of Public Health, Knowledge Utilization Research Centre (KURC), Tehran University of Medical Sciences, Tehran, Iran 3. Roozbeh Hospital, Department of Psychiatry, Imam Khomeini Hospital, Psychosomatic Ward, Tehran University of Medical Sciences,...

The U.S. online retail sector has been steadily growing in the past years, but it is noteworthy that many Internet users are still reluctant to use online channels for shopping frequently. Given this consumer resistance and the fierce competition among shopping channels, this study aims to provide managerial insights into how online merchants can reinforce and maximize unique and differentiated...

We propose a new collaborative filtering method that can predict the next purchase item by efficiently using the sequential information in purchase histories for recommendations. Markov models and maximum entropy models are both widely used techniques for such recommendations. In Markov models, parameters can be estimated and updated fast and efficiently, but predictions may not be accurate. On...