The present paper, following the philosophical work of Robert Nozick, intends to develop the approach of simplicity in the economic investigation. This purpose contributes to structure a heuristic for projects of investigation that can serve like mark of discussion of grade projects in the...

This paper analyzes multi-sender cheap talk when the state space might be restricted, either because the policy space is restricted, or the set of rationalizable policies of the receiver is not the whole space. We provide a necessary and sufficient condition for the existence of a fully...