Geographic Mobility over the Life-Cycle
When mobility between locations is frictional, a person’s economic well-being is partially determined by her place of birth. Using a life cycle model of mobility, we find that search frictions are the main impairment to the mobility of young people in Spain, and these frictions are particularly strong in economically distressed locations. As a result, being born in a high-unemployment urban area carries with it a large welfare penalty. Less stable jobs, slower skill accumulation, lower average wages, and fewer possibilities for geographic mobility all contribute to these welfare losses. Paying transfers to people in distressed economic locations decreases these welfare losses without large adverse effects on mobility. In contrast, several policies that encourage people to move to low-unemployment urban areas increase these welfare losses and fail to meaningfully increase mobility towards these more successful locations.
Monopsony Power and Firm Organization
Monopsony power may be particularly strong over certain hierarchical occupations within firms, and production complementarities may amplify its adverse effects. To quantify this phenomenon, we extend a general equilibrium oligopsony model to include firm organization: managers increase production workers' productivity but also labor costs. In equilibrium, only high-productivity firms hire managers to grow large, contributing to occupation-specific markdowns. Using administrative data from Portugal, we quantify the model and validate it against quasi-experimental evidence on oligopsony and minimum wage effects. Relative to the efficient economy, welfare losses from monopsony are 3.4 and 2.4 percent for managers and production workers, respectively. Monopsony is stronger over managers because they sort into larger firms, view firms' non-wage attributes as less substitutable, and are less likely to be bound by the minimum wage. Through production complementarities, managers' monopsony alone explains one-fifth of the overall earnings losses from monopsony for production workers.
Job Market Paper (Submitted)
Riders on the Storm
Online food delivery platforms typically operate through a controversial business model that relies on subcontracting self-employed workers, known as riders. We quantify the labor-market effects of the Spanish Riders' Law in 2021 that established the presumption of dependent employment for riders using a search and matching model. Riders with heterogeneous preferences for leisure trade off work flexibility and easier employability as self-employed against enjoying higher wages as employees. Our main finding is that the reform led to a higher share of employees but failed to fully absorb the large flows of workers transiting out of self-employment and decreased riders' wages, resulting in welfare losses. However, complementing the reform with a payroll tax cut for platforms hiring employees preserves employment levels and increases riders' welfare.
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