Agents undertaking economic decisions are exposed to an ever-increasing amount of information sources. This paper investigates how the number of available information sources impacts agents' ability to (i) select reliable sources and (ii) use their content effectively to update their beliefs. To...

Financial markets and macroeconomic environments are often characterized by positive externalities. In these environments, transparency may reduce expected welfare from an ex-ante point of view: public announcements serve as a focal point for higher-order beliefs and affect agents' behaviour...