Changing our thinking about what it means to conduct experiments ethically with Steve Levitt

Partially SupportedIran is the only country that has implemented a system of paid organ donation.

Partially SupportedNatural experiments like contact tracing on flights can provide data on disease transmission.

Partially SupportedChallenge trials, where participants are vaccinated and then intentionally exposed to a pathogen, could have provided faster learning about vaccine efficacy.

Partially SupportedThe initial advice against wearing masks for the general public during COVID-19 was likely a strategic measure to reserve N95 masks for healthcare professionals.

Partially Supported