Empirical evidence suggests that networks of personal relations are important in the micro dynamics of labor markets: even in modern capitalistic economies a high share of jobs are filled by social referrals. This paper aims at shedding light on an apparent puzzle concerning the relationship...

In recent years the academic world has experienced a mushrooming of journals that falsely pretend to provide peer review. We study the quantity and quality of publications in dubious journals using information from the CVs of 46,000 researchers seeking promotion in Italian academia. We find that...