How Cohesive are You in Virtual Communities?

Trust in cohesive communities

This paper studies which social networks maximize trust and welfare when agreements are implicitly enforced. We study a repeated trust game in which trading opportunities arise exogenously and a social network determines the information each player has. We show that cohesive communities, modeled as social networks of complete components, emerge as the optimal community design. Cohesive communit...

How good are you?

As orthodontists, most of us believe that we are among the best in our community at what we do—straightening teeth. Of course, we know that alignment is not the only important outcome of orthodontic therapy. We also strive to produce a good occlusal result and a well-balanced face. But how do you measure the quality of your treatment results? Are you consistent? One method is to take and pass t...

Requirements Engineering: How Do You Know How Good You Are?

Organisations are seeking to improve the way they undertake engineering activities. There are numerous ways of doing this, one of which is to undertake an on-going process, or capability, enhancement activity. Praxis Critical Systems Limited provides support for such activity based primarily around the REVEAL ® requirements engineering method. By providing customised training and coaching in RE...

How 'child friendly' are you?

How (un) ethical are you?

Answer true or false: "I am an ethical manager." If you answered "true," here's an Uncomfortable fact: You're probably wrong. Most of us believe we can objectively size up a job candidate or a venture deal and reach a fair and rational conclusion that's in our, and our organization's, best interests. But more than two decades of psychological research indicates that most of us harbor unconsciou...