Participation constraint (mechanism design)
Participation constraint (mechanism design)
In game-theory, and particularly mechanism-design, participation constraints or individual rationality constraints are said to be satisfied if a mechanism leaves all participants at least as well-off as they would have been if they hadn't participated.
In terms of information structure, there are 3 types of Participation Constraints:
One kind of participation constraint is the participation criterion for voting systems. It requires that by voting, a voter should not decrease the odds of their preferred candidates winning.