Essays in macroeconomics

Oriol Carreras Baquer
This thesis contains four chapters. The first chapter establishes a negative empirical correlation between the share of employees working under a temporary contract and the share of employees with high educational attainments employed in jobs for which they are overqualified. Subsequently, I show that a search and matching model with heterogeneous jobs and workers with directed search can explain this correlation. Temporary contracts induce entrepreneurs to post, in relative terms, more vacancies for jobs with...
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