Studies of the effect of individual differences on usage of information systems have yielded mixed results. This study examines the effect of individual differences on the perceived relative advantage (a concept akin to perceived usefulness) of using Group Support Systems (GSS) over traditional face-to-face meetings. Specifically, the current field study investigates the effect of oral and writ...

Relative advantage and perceived usefulness are often used interchangeably in the literature. In this paper, the authors argue that this limits the understanding of the adoption of ICTs, especially when there are multiple alternatives. To address this issue, the authors reexamine relative advantage in relation to perceived usefulness, providing a re-specification of relative advantage and empir...

Suppose individuals get utilities from the total amount of wealth they hold and from their wealth relative to those immediately below them. This paper studies the distribution of wealth that maximizes an additive welfare function made up of these utilities. It interprets wealth distribution in a control theory framework to show that the welfare maximizing distribution may have unexpected proper...

Background: Gastrointestinal (GI) endocrine cells produce many GI hormones that perform various physiological functions of the digestive system. Aims: We aimed to investigate the presence and distribution of immunoreactive (IR) endocrine cells to glucagon, somatostatin, cholecystokinin-8 (CCK-8), serotonin, secretin and histamine in the stomach of adult male Ne...

in the present study, competitiveness of iranian pistachio exports and competitor countries in  the world market are studied. pistachio export advantage using indices of revealed comparative advantage (rca) approach and vector error correction model(vecm) based on  agricultural and non-petroleum export commodity basket were investigated separately. the results showed that iran has a comparative...