Paying bone marrow donors—a practice often avoided due to ethical concerns—can be highly effective. An independent campaign offering significant compensation led to 15,000 new sign-ups from a targeted community. When the payment is high, it can be framed as a reciprocal gift rather than exploitation, overcoming ethical hurdles.

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To combat the high drop-off rate of potential bone marrow donors, a simple video message from the patient awaiting the transplant could be transformative. This humanizes the abstract request, turning a stranger into a real person—a mother, child, or sibling—making the decision far more compelling than an anonymous call.

To drive adoption, changing the default from opt-in to opt-out is far more effective than simply reducing friction. When a company automatically enrolled new employees into a 401(k) plan, participation jumped from 50% to 90%, demonstrating the immense power of status quo bias.

Research on WWII resistance heroes found that a key predictive factor for taking life-threatening risks was simply being asked to help. This suggests that moral action is often a response to a direct social request within a community, rather than a pre-existing personality trait. Proactive asking is a catalyst for courage.

The Orphan Drug Act successfully incentivized R&D for rare diseases. A similar policy framework is needed for common, age-related diseases. Despite their massive potential markets, these indications suffer from extremely high failure rates and costs. A new incentive structure could de-risk development and align commercial goals with the enormous societal need for longevity.

Rather than hiding unsettling medical realities like tissue procurement, being transparent can demystify the process and build public trust. Acting secretive makes people assume there is something to hide, whereas openly explaining even 'gruesome' details can reassure the public and ultimately help an organization's mission, such as encouraging organ donation.

The principles influencing shoppers are not limited to retail; they are universal behavioral nudges. These same tactics are applied in diverse fields like public health (default organ donation), finance (apps gamifying saving), and even urban planning (painting eyes on bins to reduce littering), proving their broad applicability to human behavior.

Purely rational arguments are not enough to successfully scale a new initiative. Leaders must generate emotional excitement—a "hot cause"—to drive adoption of the logical process or "cool solution." The 100,000 Lives campaign successfully used this by highlighting patient stories to get hospitals to adopt simple, life-saving procedures.

Diseases like Ebola and malaria, which primarily affect poor countries, lack market incentives for vaccine R&D. The Ebola vaccine only progressed because it was briefly on a U.S. bioterrorism list created after 9/11, highlighting how market failures require creative, sometimes accidental, incentives to overcome.

Generosity towards employees and customers is more than just good ethics; it's a strategic move in the iterated game of business. It signals your intent to cooperate, which encourages reciprocal cooperation from others. This builds trust and leads to superior long-term outcomes versus a defect-first approach.