We use daily administrative data from a leading automobile manufacturer to study the organizational impacts of introducing new models to the auto assembly line. We first show that costly defects per vehicle spike when new models are introduced. As a response, the firm trains in problem-solving...

The Covid-19 pandemic represents one of the most significant labor market shocks to the world economy in recent times. We present evidence from a field experiment to understand whether and why skilled and unskilled workers were differentially impacted by the shock, in the context of a low-income...

We develop a job-ladder model with labor reallocation across firms and space, which we design to leverage matched employer-employee data to study differences in wages and labor productivity across regions. We apply our framework to data from Germany: twenty-five years after the reunification,...