semicontinuity and the existence of an optimal solution cannot be guaranteed under standard assumptions. In this paper, we study a … existence of optimal solutions. Finally, we examine qualitative stability with respect to perturbations of the underlying …

This paper proves the existence of a non-stationary equilibrium in the canonical search-and-matching model with …

's current type to a mixed action. The existence can be extended to K-periodic revelation. I also offer a computational algorithm …