In this paper we present a novel experimental procedure aimed at better understanding the interaction between confidence and ambiguity attitudes in individual decision making. Different ambiguity settings not only can be determined by the lack of information in possible scenarios completely...

We measure ingroup bias in the context of real social groups operating in a slum and investigate which ingroup members’ features affect it. We find that higher homogeneity within the group and stronger relationship with the super-categorized group (the community of people living in the slum)...

We study out-group biases in attitudes toward refugees, and the effect of European Union (EU) immigration policies on these views, using an online survey experiment including 4,087 Italian participants. We assess attitudes using donations to a randomly assigned group: Italian victims of violence...