Utility Analysis and Group Behavior: An Empirical Study

Utility Analysis and Group Behavior: An Empirical Study

Data envelopment analysis in service quality evaluation: an empirical study

Service quality is often conceptualized as the comparison between service expectations and the actual performance perceptions. It enhances customer satisfaction, decreases customer defection, and promotes customer loyalty. Substantial literature has examined the concept of service quality, its dimensions, and measurement methods. We introduce the perceived service quality index (PSQI) as a sing...

Investment in Business Software and Perceived Utility: An Empirical Study

Authors have identified many different reasons why companies invest into IT and there has been much discussion of how IT can generate value. This paper adds to the discussion of IT value generation by investigating investments in business software for the support of business processes in Swiss SMEs. In an empirical survey on the future IT investment for process support, 917 questionnaires were ...

Universality in voting behavior: an empirical analysis

Election data represent a precious source of information to study human behavior at a large scale. In proportional elections with open lists, the number of votes received by a candidate, rescaled by the average performance of all competitors in the same party list, has the same distribution regardless of the country and the year of the election. Here we provide the first thorough assessment of ...

An Empirical Study of Clustering Behavior of Spammers and Group-based Anti-Spam Strategies

We conducted an empirical study of the clustering behavior of spammers and explored the group-based anti-spam strategies. We propose to block spammers as groups instead of dealing with each spam individually. We empirically observe that, with a certain grouping criteria such as having the same URL in the spam mail, the relationship among the spammers has demonstrated highly clustering structure...