We develop an empirical search-matching model which is suitable for analyzing the wage, employment and welfare impact of regulation in a labor market with heterogeneous workers and jobs. To achieve this we develop an equilibrium model of wage determination and employment which extends the...

In a circular matching model with bargained wages, firms rank their applicants and pick the most suitable one. Job creation appears to lower the average output. As firms do not internalize this effect, there are too many jobs in a laissez-faire equilibrium under the Hosios condition. By...

An increasing proportion of transactions in two-sided markets are being mediated by online platforms. Presumably, agents choose to use online platforms because they have a lower transaction cost technology compared to alternatives. I use data from a growing online platform that matches travelers...