The efficiency of educational choices is studied in a search-matching model where individuals face a tradeoff: acquiring formal education or learning while on the job. When their education effort is successful, newcomers directly obtain a high-skill job; otherwise, they begin with a low-skill...

This paper provides an analysis of the social consequences of people seeking to keep up with the Joneses. All individuals attempt to reach a higher rank than the Joneses, including the Joneses themselves. This attitude gives rise to an equilibrium in which all individuals have equal utilities...

In a circular matching model, firms rank their applicants and pick the best suited one. Job creation appears to lower the average output. As firms do not internalize this effect, jobs are too many in the laissez-faire equilibrium under the Hosios condition. Due to similar externalities firms'...

This paper reexamines the issue of the division of the labor force between the two sub-markets (formal and informal) of a developing economy. The formal sector is represented by a matching model with vertically differentiated workers. Assuming that firms hire their best applicants, we state that...