In the last four years, daily deals have emerged from nowhere to become a multi-billion dollar industry world-wide. Daily deal sites such as Groupon and Livingsocial offer products and services at deep discounts to consumers via email and social networks. As the industry matures, there are many questions regarding the impact of daily deals on the marketplace. Important questions in this regard ...

A new, formal, role-based, framework for modeling and analyzing both real world and artificial organizations is introduced. It exploits static and dynamic properties of the organizational model and includes the (frequently ignored) environment. The transition is described from a generic framework of an organization to its deployed model and to the actual agent allocation. For verification and v...

[This corrects the article on p. 1391 in vol. 8, PMID: 28861022.].

[This corrects the article on p. 1391 in vol. 7, PMID: 27695430.].

background: academic optimism about teachers is a new construct. the objective of this study was investigation of primary school teachers' academic optimism and organizational citizenship behavior in shiraz city. methods: the method of this study was descriptive and correlational study. the population of this study were all teachers (men and women) working in the 1391-1392 school year in public...

social comparison is important as it can be either encouraging or discouraging for the person who makes it. although studies concerning social comparison in the classroom context abound, few deal with the relationship between the role of social comparison orientation and tendencies in academic achievement in a competition based educational context. adopting a non- experimental ex-post facto des...

A plan to in c rea se s tu d e n t activities lees elicited both sup­ p o r t and w a rn in g s a t W ed n esd ay ’s S tuden t Senate meeting. The Academic A flairs commit­ tee’s proposal to increase fees to $95 for the 2006-07 academic year, a $15 jump from the cur­ rent $80 fee, has a twofold pur­ pose of c o m b a t in g in f la t ion effects and implementing last y e a r ’s p o p u la r Col...