Social networks, or “job-referral” networks, can help make labor markets become more efficient. Outside the firm, they help workers obtain employment after displacement and secure higher-paying jobs. They can also match highly-skilled workers to more productive employment. Inside the firm,...

The search-and-matching model of the labor market fails to match two important business cycle facts: (i) a high volatility of unemployment relative to labor productivity, and (ii) a mild correlation between these two variables. We address these shortcomings by focusing on technological...

We develop a model in which competition in the labor market may produce worker-firm matches that are inferior to those obtained in the absence of competition. This result contrasts with the conventional wisdom that competition among employers allocates scarce talent efficiently. In a model in...

The search-and-matching model of the labor market fails to match two important business cycle facts: (i) a high volatility of unemployment relative to labor productivity, and (ii) a mild correlation between these two variables. We address these shortcomings by focusing on technological...

In a multi-task, market-based promotion tournament model, under different environments concerning employer learning about worker ability, it is shown that:i) Asymmetric learning in multi-task jobs is a necessary condition for "strategic shirking" (i.e., underperforming on certain tasks to...