The portfolio approach of financing drug development has been proposed as a financial innovation to improve the risk/return tradeoff of investment in drug development projects through the use of diversification and securitization. By investing in a sizable and well-diversified portfolio of novel...

To end the COVID-19 pandemic and ensure a return of normalcy, an effective and safe vaccine is the best hope. The vaccine nationalism approach, adopted by some countries to gain preferential access to emerging COVID-19 vaccines, poses a threat to the fair and equitable distribution of the...

Malaria is the primary cause of death among children and a barrier to childhood human capital accumulation in sub-Saharan Africa. The macroeconomics literature thus far concludes that eradicating malaria would mainly increase populations but not substantially raise living standards. This paper...

We utilize the phased rollout of COVID-19 vaccines by age as a natural experiment for testing risk compensation. People may resume face-to-face social activities after vaccination because they perceive lower risk of infection. The national vaccination schedule in South Korea enables us to apply...

Many papers have focused on the effect of national policies on the fall of the rate of COVID-19 cases. However, the effect of national policies on COVID-19 shocks coming from abroad is still an open question. This paper uses daily new confirmed COVID-19 cases from May 2020 to March 2022 in 36...

The CDC reports that 1.13 million Americans have died of COVID-19 through June of 2023. I use a model of the impact over the past three years of vaccines and private and public behavior to mitigate disease transmission during the COVID-19 pandemic in the United States to address two questions....

This paper unpacks the effects of social networks on monthly county-level COVID19 vaccinations in the US. To parse out short-term community-level externalities where people help each other overcome immediate access barriers, from learning spillovers regarding vaccine efficacy that naturally take...