abstract previous research have shown that physical and mental illness and mortality are influenced by class status, material life standards, genetics and infection, but today social context attracted attention. in this paper social capital as a composition of social trust, support and relations seen as a mental health determinant. the aim of this paper is examining the relationship between soc...

Background and Objectives: Knowledge Management (KM) has emerged as a pathway towards competitive advantage in current complex industrial environment. The aim of the present study was to explore the relationship between KM effectiveness and various organizational factors including social interactions (trust, communication and coordination), infrastructure factors (structure, information technol...

Submission: original and also intended for post-proceedings. Abstract In describing the interactions between agents we can take either a global view, where the set of all agents is seen as one big system, or a private view, where the system is identiied with a single agent and the other agents form a part of the environment. Often a global view is taken to x some protocols (like contract net) f...

We propose a model of social interactions based on comparative advantage. When comparative advantage is the guiding principle of social interactions, the effect of moving a student into an environment with higher-achieving peers depends on where in the ability distribution she falls and the shadow prices that clear the social market. We show that the model’s key prediction–an individual’s ordin...

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This paper considers the observational implications of social influences on adoption decisions for an environment of perfect foresight adopters. We argue that social influences can produce two observable effects: (1) discontinuities in unconditional adoption curves and (2) pattern reversals in conditional adoption curves, in which earlier adoption is found for one group of actors versus another...

Myxobacteria exhibit complex social traits during which large populations of cells coordinate their behaviors. An iconic example is their response to starvation: thousands of cells move by gliding motility to build a fruiting body in which vegetative cells differentiate into spores. Here we review mechanisms that the model species Myxococcus xanthus uses for cell-cell interactions, with a focus...