Do workers benefit from the education of their co-workers? We examine this question first by
introducing a model of learning, which argues that educated workers may transfer part of …

Although firms may face radically different production conditions, this dimension of firm
heterogeneity is often overlooked. We model input demand across local factor markets …

I develop three models that are designed to aid in the analysis of environments in which
agents i) benefit from interacting with others, and ii) optimally choose their characteristics …