Three months into the COVID-19 outbreak caused by a novel strain of coronavirus (SARS-CoV-2), the world is still in search of an effective therapeutic drug. Experimental drugs developed for other infections, such as Gilead's remdesivir, have been repurposed with unclear success. A recent small...

We develop a new approach to quantify how patients respond to dynamic incentives in health insurance contracts with a deductible. Our approach exploits two sources of variation in a differences-in-regression-discontinuities design: deductible contracts reset at the beginning of the year, and...

Early empirical evidence indicates that Medicare Advantage (MA), the largest capitation payment program in the U.S. healthcare market, unintentionally incentivizes health plans to cherry pick profitable patient types, which is referred to as "risk selection". Motivated by this observation, we...

This paper examines effects of state Medicaid Expansion via the Affordable Care Act on the self-employed. We first examine impacts on the probability of self-employment and find no significant effect. We then examine the probability of having health insurance and the type of coverage for...

The introductory article of this special issue looks at the genesis, characteristics and challenges of social protection schemes in the Middle East and North Africa (MENA). It argues that social protection policies in the MENA should be seen as a key ingredient of the social contract that...

To equalize differences in health plan premiums due to differences in risk pools, the German legislature introduced a simple Risk Adjustment Scheme (RAS) based on age, gender and disability status in 1994. In addition, effective 1996, consumers gained the freedom to choose among hundreds of...

We study age-rating restrictions in the health insurance marketplaces introduced by the Affordable Care Act. Because most buyers are subsidized, although age-rating restrictions affect pre-subsidy premiums, participation is primarily driven by subsidy generosity rather than pricing decisions....

Many competitive health insurance markets adjust payments to participating health plans according to their enrollees' risk – including based on diagnostic information. We investigate responses of German health plans to the introduction of morbidity-based risk adjustment in the Statutory Health...

During each annual election period, from November 15 to December 31, individuals enrolled in valid Medicare prescription drug plans (PDPs) can switch to another plan. Those who are eligible for Medicare Part D but are not enrolled can also register. The number of PDPs available increased 31...

How much are low-income individuals willing to pay for health insurance, and what are the implications for insurance markets? Using administrative data from Massachusetts' subsidized insurance exchange, we exploit discontinuities in the subsidy schedule to estimate willingness to pay and costs...