We consider the effect of mergers between firms whose products are not viewed as direct
substitutes for the same good or service, but are bundled by a common intermediary …

Many industries have become increasingly concentrated through mergers and acquisitions,
which in health care may have important consequences for spending and outcomes. Using …

Billions of dollars have been spent on pilot programs searching for ways to reduce health
care costs. I study one such program, in which hospitals pay doctors bonuses for reducing …

Post‐acute care provided by skilled nursing facilities (SNFs) is reimbursed by Medicare
under a prospective payment system using resource utilization groups (RUGs) that adjust …

We propose a novel and easy-to-implement approach to detect potential overbilling based
on the hours worked implied by the service codes which physicians submit to Medicare …

Hospitals employ an increasing number of physicians and bill for a growing share of
outpatient procedures. We exploit a plausibly exogenous increase in Medicare prices for …

Accountable Care Organizations (ACOs) are exemplars of so-called value-based care in the
US. In this model, healthcare providers bear the financial risk of their patients' health …

Health information technology can save lives, cut costs, and expand access to care. But its
full promise will only be realized if policymakers broker a" grand bargain" between …

We consider the effect of mergers between firms whose products are not viewed as direct
substitutes for the same good or service, but are bundled by a common intermediary …

Diagnosis-based payment systems can create incentives to upcode patients to a higher
level of severity to increase payment. In some instances, upcoding can be a form of fraud if …