Many charities report donations using categories. We question whether such category reporting increases donations in a signalling game where a donor is either generous or not generous. Conditions are derived under which category reporting will increase giving or decrease giving. Category...

An individual’s contribution to a public good may be seen by others as a signal of attributes such as generosity or wealth. An individual may, therefore, choose their contribution so as to send an appropriate signal to others. In this paper we question how the inferences made by others will...

In this paper we analyse the effect that nai͏̈ve agents (those who take behavior at 'face value') have on the nature of social norms. After reviewing the use of signalling models to model conformity, we argue in favour of modelling nai͏̈ve inferences in tandem with standard Bayes rational...