In the COVID-19 pandemic, governments have, among other measures, mandated the use of COVID certificates to prove vaccination, recovery or a recent negative test, and have required individuals to show certificates to access shops, restaurants, and education or workplaces. While arguments for and...

Narrow hospital networks have proliferated in health systems with managed care. We investigate the causal effect of network breadth on mortality leveraging the termination of the largest health insurer in Colombia. The termination caused a substantial increase in mortality accompanied by...

We examine the efficiency gains in health systems generated after the national roll out of basic healthcare in El Salvador between 2010 and 2013. Using data from over 120 million consultations and five million hospitalizations, we demonstrate that the expansion of community health teams,...

The present paper outlines measures of disparity in healthcare access and health outcomes, drawing from the standardized metrics introduced in one related study (Bancalari et al., 2023). Beveridge countries seem to be less unequal than Bismarckian countries. Yet, there is no strong pattern in...

Prolonged hospital stays, or hospital stays that are longer than medically necessary, are a major concern for patients, payers, and providers. We conceptualize and empirically estimate the prevalence and cost of prolonged stays among elderly hospital patients (65 years and older) in Brazil and...