Shortage is common in many markets, such as those for human organs or blood, but the problem is often difficult to solve through price adjustment, given safety and ethical concerns. In this paper, we investigate whether market designers can use non-price methods to address shortage....

Teamwork pervades modern economies, yet teamwork can make individual roles difficult to ascertain. In the sciences, the canonical "Matthew Effect" suggests that eminent team members garner credit for great works at the expense of less eminent team members. We study this phenomenon in reverse,...

Scientific articles are retracted at increasing rates, with the highest rates among top journals. Here we show that a single retraction triggers citation losses through an author's prior body of work. Compared to closely-matched control papers, citations fall by an average of 6.9% per year for...

Medicare does not pay for a skilled nursing facility (SNF) unless a fee-for-service patient has stayed in the hospital for at least three days. Discharges after the three-day cutoff consistently result in more transfers to SNFs. Using the three-day rule as an instrument, we find that SNF...