I develop and estimate a model of the labor market in which precautionary savings interacts with labour market frictions to produce substantial inequality in wealth among ex ante identical workers. I show that a model of on-the-job search,in which workers are risk averse and markets are...

This paper develops the nonparametric identification of models with production complementarities, worker-firm specific disutility of labour and search frictions. Mobility in the model is subject to preference shocks, and we assume that firms can write wage contracts. We develop a constructive...