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Incentives Matter

Science Voices: Zephyr & Kore

What's new in behavioral science and behavioral economics — how nudges, incentives, and cognitive biases shape decisions in healthcare, finance, risky behaviors, environment, charitable donations, and beyond.

Latest Episodes (25)

25

Breeding Cobras in the ER: How Healthcare Incentives Accidentally Pay for Sicker Patients

May 22, 202613:55

This episode explores how misaligned incentives in healthcare can inadvertently encourage patients to get sicker, drawing a parallel to the "cobra effect." It discusses how financial structures like fee-for-service and Diagnostic Related Groups (DRGs) can reward hospitals for treating more severe conditions or "upcoding" diagnoses, rather than promoting preventative health. Listeners will learn about the subtle ways the healthcare system prioritizes "sick care" over "health care" due to these structural logics.

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24

The Sociopathic Optimizer: Why Scrubbing Cognitive Bias Makes AI Worse

May 22, 202613:06

This episode explores new research challenging the conventional wisdom of eliminating all bias from AI, suggesting that stripping away certain cognitive biases might create a "sociopathic optimizer." It distinguishes between harmful biases, which perpetuate discrimination, and cognitive biases, which are presented as essential human heuristics for navigating complex, uncertain social environments. Listeners will learn why some human-like cognitive biases might be crucial for AI to make socially acceptable and ethically sound decisions, rather than merely technically optimal ones.

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23

Don’t Tell Me What To Do: The Hidden Cognitive Cost of AI Advice

May 22, 202612:41

This episode explores the counterintuitive finding that optimal AI advice can often lead to worse human performance, attributing this to a psychological cost where explicit commands diminish a user's autonomy and engagement. It delves into how direct AI instruction can stifle creativity and motivation, particularly in complex tasks, while emphasizing the importance of human psychology in AI design. Listeners will learn the critical difference between directive "AI advice" and autonomy-preserving "AI nudges" for fostering better human-AI collaboration and outcomes.

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22

The GLP-1 Illusion: When Viral Anecdotes Meet Hard Behavioral Data

May 22, 202611:07

This episode explores how GLP-1 drugs, beyond their well-known effects on weight loss and appetite suppression, profoundly impact other addictive behaviors, particularly alcohol and nicotine consumption. Listeners will learn that these drugs appear to re-calibrate the brain's reward system by modulating dopamine release in key areas, thereby reducing the 'wanting' and hedonic response to these substances. The discussion also touches on the potential for these effects to extend to other compulsive behaviors like gambling or shopping, highlighting a much broader influence on the brain's motivation and reward circuitry.

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21

The Great Phone Ban Experiment: A Nudge or a Hammer?

May 19, 202612:51

This episode explores the surprising academic benefits of school-wide mobile phone bans, revealing that such policies can lead to significant learning gains equivalent to an extra week of schooling. Listeners will learn how these bans disproportionately benefit struggling students by removing a major source of distraction, improving cognitive focus, and effectively closing achievement gaps.

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20

The Doer vs. The Fed: Why Rate Hikes Make Us Think Inflation is Getting Worse

May 19, 202611:51

This episode explores the fascinating paradox where the public often interprets Federal Reserve interest rate hikes, intended to combat inflation, as a sign that inflation is actually getting worse. It delves into the behavioral mechanisms, such as salience, the availability heuristic, and confirmation bias, that contribute to this fundamental disconnect in how monetary policy is understood. Listeners will learn why individuals, or "Doers," focus on immediate, painful costs of rate hikes rather than their long-term anti-inflationary goals, and the profound implications this has for the effectiveness of central bank actions.

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19

Haunted by HVAC: The 18-Hertz Nudge and the Science of Unseen Stress

May 19, 202614:03

This episode explores how specific low-frequency sounds, known as infrasound, particularly around 18 hertz, can induce feelings of dread, anxiety, and even visual hallucinations, often mistaken for supernatural encounters. It details the scientific discovery by Vic Tandy, who linked these unsettling sensations to environmental factors like faulty fans emitting infrasound. Listeners will learn how these unheard frequencies cause internal organs to resonate, leading the brain to interpret these physiological responses as profound emotional and psychological effects.

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18

The $18 Trillion Snooze Button: How Banks Profit from Our Inertia

May 08, 20269:42

This episode explores how banks profit immensely from customer inertia, or "sleepy customers," who leave an estimated $18 trillion in deposits earning minimal interest. It delves into the behavioral economics behind why individuals don't switch banks, highlighting "psychological switching costs" as a major barrier, and reveals how banks actively encourage this inaction through strategies like price discrimination and bundling. Listeners will learn the staggering scale of these profits and the deliberate mechanisms banks use to maintain them, often penalizing loyal customers.

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17

The I-Frame Illusion: Why Nudging Your Trash Habits Misses the Bigger Picture

May 08, 202614:54

This episode explores a critical perspective on waste management, highlighting the limitations of the "I-Frame" approach which primarily focuses on individual actions like household recycling. It argues that while individual efforts are valuable, they often distract from the significantly larger, systemic waste generated by industrial and institutional sectors. Listeners will learn that the vast majority of waste originates beyond individual consumers, suggesting a need to shift focus towards more impactful systemic solutions rather than solely relying on individual behavioral changes.

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16

The Decumulation Dilemma: Why We Refuse to Buy Lifetime Income

May 08, 202613:13

This episode explores the "decumulation dilemma" in retirement, focusing on annuities as a financial product designed to provide guaranteed lifetime income and mitigate longevity risk. It delves into the strong economic arguments for annuities while simultaneously examining why most people resist purchasing them. Listeners will learn about the behavioral science behind this paradox, including key psychological barriers like loss aversion, mortality salience, and mental accounting that deter individuals from adopting these beneficial products.

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15

Nudging the Nudges: Can We Prompt Users to Fix Their Own Digital Self-Control?

May 08, 20269:05

This episode explores why digital self-control tools often fail as users disengage or adapt over time. It introduces the concept of "nudge reconfiguration prompts" as a solution, which are interventions designed to encourage users to actively reflect on and adjust their own self-control settings. Listeners will learn how empowering users to become their own behavioral designers can lead to renewed engagement and more effective use of these tools.

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14

The Deadly Cost of Context Switching: What 300,000 Surgeries Tell Us About the Brain

May 01, 202610:42

This episode explores the critical impact of "context switching" in surgical settings, revealing how even brief shifts in a healthcare professional's cognitive focus can lead to significant and potentially deadly adverse patient outcomes. It delves into the concept of "attention residue" as the underlying mechanism and discusses how a massive study quantified these risks. Listeners will learn about the profound consequences of fragmented attention in high-stakes medical procedures.

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13

The Danger of "It Depends": Why the Lukewarm Middle is Democracy's Biggest Threat

May 01, 202618:01

This episode explores how the common phrase "it depends," often perceived as a sign of wisdom, can actually be a significant behavioral barrier to collective progress and democracy. It delves into the "lukewarm middle," explaining how this cognitive posture, driven by ambiguity aversion and cognitive load, can paralyze action and cede influence to extreme voices. Listeners will learn the systemic consequences of this individual cognitive default and the distinction between genuine nuance and a problematic mental shortcut.

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12

When Nudge Comes to Shove: The Godfathers of Behavioral Economics Turn Against Their Creation

May 01, 202612:45

This episode explores the influential concept of 'nudge' in behavioral science, detailing its original vision as a subtle, libertarian paternalistic tool for guiding better decisions. It then examines how this idea has evolved and, in some cases, been misapplied, transforming into a 'shove' through practices like 'dark patterns' that prioritize commercial interests over individual welfare. Listeners will learn the critical distinction between ethical nudges and manipulative tactics, and the associated ethical dilemmas.

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11

Beyond the Nudge: Cracking the 20% Flu Shot Ceiling on the Healthcare Frontline

Apr 25, 202617:58

This episode explores the perplexing phenomenon of low flu vaccine uptake among healthcare workers in China, despite their medical knowledge and the significant public health risks involved. It delves into the behavioral and economic factors, such as the Zero-Price Effect, optimism bias, and omission bias, that contribute to this counter-intuitive trend. Listeners will learn why even medical professionals succumb to these cognitive traps and how a new research study aims to address this critical public health issue.

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10

The AI Adoption Illusion: Why Firms Are Buying the Hype But Not the Tech

Apr 25, 202620:09

This episode challenges the pervasive narrative of widespread generative AI adoption, presenting new U.S. Census Bureau data that reveals only 23% of firms currently use AI for work-related tasks. It explains how the 'Availability Heuristic' contributes to the overestimation of AI's prevalence, demonstrating that while larger companies and specific knowledge-intensive sectors show higher adoption, the majority of businesses remain largely untouched. Listeners will learn that the perceived 'AI tidal wave' is currently more concentrated than commonly believed, largely due to an echo chamber effect within certain industries.

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09

The Pass-Through Illusion: Why Voters Demand Bad Climate Policy

Apr 20, 202618:19

This episode explores why efficient market-based climate policies, such as carbon taxes, are frequently rejected by the public in favor of less efficient command-and-control standards. It delves into a new NBER working paper that attributes this rejection to voters' fundamental misunderstanding of how costs are passed through the economy, leading to a "pass-through illusion." Listeners will learn about this behavioral blind spot and how it causes the public to incorrectly believe rigid standards will impact their bills less than market-based instruments.

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08

The End of the Nudge Era? Unpacking 'It's On You'

Apr 20, 202615:20

This episode explores a powerful critique of the behavioral science 'nudge' movement by its own architects, Nick Chater and George Loewenstein. They argue that the field's intense focus on individual-level interventions (the 'i-frame') has inadvertently made it an 'unwitting accomplice' to corporate interests, diverting attention from crucial systemic solutions (the 's-frame'). Listeners will learn how this approach can hinder progress on major issues and has historical roots in corporate strategies to avoid regulation.

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07

The Paradox of Warning Signals: Do We Actually Want to Know?

Apr 10, 202616:34

This episode delves into a new NBER paper that uncovers a fundamental human flaw: our distorted perception of warning signals. It explores how people irrationally value the accuracy of alarms, often overvaluing inaccurate signals, particularly when threats are rare, leading to potentially catastrophic decisions. Listeners will learn about the cognitive biases influencing our response to warnings and the critical trade-offs between false positives and false negatives in various real-world scenarios.

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06

The Nudge That Backfired: When Digital Tracking Ruins Teamwork

Apr 03, 202619:27

This episode explores a new study that challenges the common assumption that digital monitoring tools and "nudges" improve remote team productivity. It reveals that these interventions often backfire, significantly reducing team effort and collective intelligence instead of enhancing it. Listeners will learn why applying individual productivity hacks to complex group dynamics can be detrimental and lead to "spectacular backfires."

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05

The Hubris of Choice: Can We Actually Diagnose Bad Decisions?

Mar 31, 202617:59

This episode critically examines the foundational assumptions of behavioral economics, specifically how experts identify "bad" or "improvable" decisions. It highlights a new NBER paper which reveals that the three primary diagnostic methods used by behavioral economists to identify mistakes are inconsistent and contradict each other, challenging the validity of widespread "nudge" policies and choice architecture. Listeners will learn how this fundamental flaw undermines the rationale for paternalistic interventions, with the first diagnostic method, the Characterization Assessment, being introduced.

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04

The Giving Gulf: Why the Rich Are Doubling Down on Charity While Everyone Else Pulls Back

Mar 27, 202612:33

This episode explores the emerging "Giving Gulf" in charitable giving, revealing a stark divergence between high-net-worth individuals who are increasing their donations and the general population whose giving is significantly declining. Listeners will learn that while the wealthy are primarily motivated by impact, legacy, and personal values, the average giver faces economic pressures, creating two distinct philanthropic realities.

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03

The Reminder Effect: Why Your Brain Needs a Nudge, Not a Bonus

Mar 20, 202620:55

This episode explores a field experiment in Mozambique on HIV medication adherence, demonstrating that financial incentives significantly improve patient compliance. Listeners will learn that while money alone boosts adherence, adding a simple, low-cost text message reminder can more than double the incentive's effectiveness, highlighting the power of cognitive nudges over solely increasing financial rewards.

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02

The $528 Billion Gamble: Can Lotteries and Nudges Solve Medication Adherence?

Mar 13, 202625:41

This episode explores the pervasive and costly issue of medication non-adherence, highlighting its staggering financial and human impact. It discusses the BETTER-BP trial, which demonstrated that while incentives can significantly boost adherence, this behavioral improvement doesn't always translate into better health outcomes, revealing a central paradox. Listeners will gain insight into the deep psychological biases, such as present bias and optimism bias, alongside practical barriers that drive this widespread problem.

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01

The Lifespan in Your Swim: Can Your Fitbit Predict How Long You'll Live?

Mar 13, 202618:09

This episode explores how future smart devices could generate a "longevity score" based on micro-behaviors, drawing parallels to groundbreaking research on African turquoise killifish. Listeners will learn how scientists used machine learning to identify subtle behavioral patterns ("behavioral syllables") in fish to accurately predict their remaining lifespan. The discussion also reveals a surprising "staged architecture" of aging, suggesting that decline occurs in abrupt transitions rather than a gradual process, with profound implications for human health and technology.

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