Why Do Migrant Workers Rely More Often on Referrals?

How Do Workers Choose Referrals?

Globally, a large fraction of workers are hired through job references. An extensive literature, both in sociology and in economics, has documented the impor­ tance of social connections as a means of job search. For example, 30-60% of jobs in the United States are found through referrals. In Kolkata, India we find that 45% of our sample has found a job for a friend. A large and grow­ ing empir...

Human children rely more on social information than chimpanzees do.

Human societies are characterized by more cultural diversity than chimpanzee communities. However, it is currently unclear what mechanism might be driving this difference. Because reliance on social information is a pivotal characteristic of culture, we investigated individual and social information reliance in children and chimpanzees. We repeatedly presented subjects with a reward-retrieval t...

Why Rely on Blind AIMDs?

We are motivated by the fact that fixed Increase rates and Decrease ratios for AIMD cannot adjust TCP’s performance to the Internet’s diverse networking conditions. Indeed, we find that fixed values for the increase/decrease factors of AIMD restrain flexibility, which is a fundamental property of transport protocols in order to guarantee utilisation and fairness in Modern and Future Internetwor...

Why Do Some Countries Default More Often Than Others? The Role of Institutions

Antibiotic strategies in severe nosocomial sepsis: why do we not de-escalate more often?

OBJECTIVES To assess the use of antibiotic de-escalation in patients with hospital-acquired severe sepsis in an academic setting. DESIGN We reviewed all episodes of severe sepsis treated over a 1-yr period in the department of intensive care. Antimicrobial therapy was considered as appropriate when the antimicrobial had in vitro activity against the causative microorganisms. According to the ...