This paper introduces some new features in the standard experimental design of the beauty contest in order to allow communication among participants. With that aim, we use the mode instead of the mean and non-rival payoffs. This design encourages students to communicate their guessed number,...

We experimentally analyse simultaneous behaviour in a contest game and a public good game, whose endowment is shared. Competition for resources (i) almost eliminates overbidding, without affecting public good contributions and (ii) almost eliminates the behavioural spillovers between the games.