Previous research has suggested that communication and especially promises increase cooperation in laboratory experiments. This has been taken as evidence for internal motivations such as guilt aversion or preference for promise keeping. The original goal of this paper was to examine promises...

Previous research has suggested that communication and especially promises in-crease cooperation in laboratory experiments. This has been taken as evidence for internal motivations such as guilt aversion or preference for promise keeping. The goals of this paper are to examine messages under a...

There is a prospect of substantial advancements in the understanding of the relationship between disease and genetics at least in the medium term to long term future. In this paper we consider the implications on two aspects of behaviour - surveillance to improve the chances of early detection...