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  1. People I (Mostly) Admire
  2. 38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)
38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire · Sep 5, 2026

Sendhil Mullainathan on the psychology of scarcity, the real potential of AI beyond hype, and three actionable tips for generating great ideas.

Poverty's "Cognitive Tax" Impairs Decision-Making More Than Lack of Resources

Scarcity is not just a lack of resources but a psychological state that consumes mental bandwidth. This "cognitive tax" significantly reduces a person's ability to focus on other tasks, leading to poor performance and decision-making, with effects comparable to a 10-point IQ drop.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

Social Programs Fail By Imposing "Cognitive Taxes" on Their Beneficiaries

Social aid programs that require complex financial forms are designed without considering the recipient's limited mental bandwidth. This "cognitive tax" creates a significant barrier to access, as it forces the poor to focus intensely on the very source of their stress, making programs "cognitively silly."

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

Data Science's Future is Reconstructing Reality, Not Just Optimizing It

The next leap in data science isn't about marginal improvements, like better EKG readings. It's about using data streams to build a complete, dynamic "digital twin" of a complex system, like a human heart. This allows for entirely new forms of simulation and diagnosis beyond the original data frame.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

AI Will Turn Unstructured Conversation into a Primary Form of Quantitative Data

Future research will transcend traditional metrics. With advanced AI, having subjects talk about their experiences will become a rich source of data. Language processing algorithms can analyze this qualitative input, making it as structured and valuable as income or test score data, merging quant and qual research.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

The "Creativity Cliff" Is a Cognitive Illusion; Your Best Ideas Emerge Late

We wrongly believe our creativity plummets after an initial burst. Experiments show that the quality of ideas remains consistent over time, even when we feel tapped out. The key to breakthrough ideas is sustained effort and volume, pushing through the false feeling of diminishing returns.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

Idea Generation Begins with Genuinely Savoring Other People's Ideas

The foundation of being a prolific idea generator isn't internal genius but developing a deep appreciation for others' ideas. Learning to truly enjoy, savor, and share ideas you hear builds the necessary mental muscle for creativity, much like a musician must first love listening to music.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago

In Conflict, We Default to Force and Overlook the Simple Power of Asking

An experiment with at-risk youth found that when tasked to get a ball with "no rules," all resorted to physical force and failed. None thought to simply ask, which would have worked. This reveals a deep-seated bias to escalate conflict rather than consider simpler, cooperative solutions.

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2) thumbnail

38. Sendhil Mullainathan Explains How to Generate an Idea a Minute (Part 2)

People I (Mostly) Admire·a month ago