We analyze the implications of multiple applications by job seekers for the microfoundations of the matching function. We emphasize a coordination failure caused by multiple applications, namely, that firms can waste resources processing applicants who are ultimately hired elsewhere.

We examine wage competition in a model where identical workers choose the number of jobs to apply for and identical firms simultaneously post a wage. The Nash equilibrium of this game exhibits the following properties: (i) an equilibrium where workers apply for just one job exhibits unemployment...