We fully solve an assignment problem with heterogeneous firms and multiple heterogeneous workers whose skills are imperfect substitutes, that is, when production is submodular. We show that sorting is neither positive nor negative and is characterized sufficiently by two regions. In the first...

In this paper, we display the tools and principles of personnel economics through a series of models aimed at addressing the questions posed above. We focus on the building blocks that form the foundation of personnel economics: the assumptions that both the worker and the firm are rational...

While businesses require funding to start and grow, they also rely on human capital, which affects how they raise funds. Labor market frictions make financing labor different than financing capital. Unlike capital, labor cannot be owned and can act strategically. Workers face unemployment costs,...

This paper presents some new perspectives on the structure and performance of alternative economic organizations. We posit that decision makers make errors of judgement (for example, they sometimes select bad projects while rejecting good projects), and that how these errors are aggregated...