What is *Mixed Signals: How Incentives Really Work* about?

*Mixed Signals* explores how incentives shape behavior through psychological, cultural, and contextual lenses. Behavioral economist Uri Gneezy reveals how incentives send social and self-signals that influence decisions, using real-world examples like COVID vaccine adoption and pricing strategies. The book emphasizes aligning incentives with desired outcomes to avoid unintended consequences, offering frameworks for designing effective reward systems.

Who should read *Mixed Signals: How Incentives Really Work*?

Managers, policymakers, marketers, and anyone designing reward systems will benefit from this book. It’s ideal for readers interested in behavioral economics, organizational psychology, or nudging behavior ethically. Gneezy’s relatable examples (e.g., Disney World strategies, “pay to quit” models) make complex concepts accessible to non-experts.

Is *Mixed Signals: How Incentives Really Work* worth reading?

Yes—Gneezy blends academic rigor with engaging storytelling, using charts, graphs, and humor to simplify concepts like signaling theory. While some examples feel repetitive, the book’s actionable insights on incentive design make it valuable for professionals navigating workplace or policy challenges.

What are the main concepts in *Mixed Signals*?

Key ideas include: - **Social vs. self-signaling**: Incentives affect how others perceive us (*social*) and our self-image (*self*). - **Alignment**: Effective incentives reinforce stories that match organizational goals (e.g., “pay what you want” models). - **Unintended consequences**: Poorly designed rewards can backfire, like undermining altruistic motives.

How does Uri Gneezy use real-world examples in *Mixed Signals*?

Gneezy illustrates concepts with diverse cases: - **Coca-Cola’s pricing** on hot days to balance profit and customer trust. - **COVID vaccine incentives** and how monetary rewards altered public perception. - **Disney World’s** FastPass system as a signal of value.

What is the “pay to quit” strategy mentioned in *Mixed Signals*?

This tactic offers employees money to leave their jobs, filtering out uncommitted workers. It reinforces self-signaling (“I stay because I value my role”) and social signaling (“We retain dedicated teams”). Amazon and Zappos have successfully implemented this.

How does *Mixed Signals* address ethical concerns with AI?

Gneezy warns that AI-driven incentives could exploit behavioral biases if not carefully monitored. He advocates for A/B testing and transparency to align algorithmic rewards with human values, citing generative AI’s potential to manipulate decisions.

What are criticisms of *Mixed Signals*?

Some readers find explanations overly lengthy, with redundant case studies. However, these examples reinforce core principles, making the book a practical (if occasionally verbose) guide.

混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム

インセンティブの真の仕組み

ウリ・グニージー

3.97(365 Reviews)

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の概要

『Mixed Signals（邦題：インセンティブ ―― 意思決定をコントロールする見えない力）』の中で、行動経済学者のウリ・グニージーは、なぜインセンティブがしばしば裏目に出るのかを明らかにしています。アダム・グラントが推奨し、アンジェラ・ダックワースも称賛する本書は、ウェルズ・ファーゴの不祥事がどのように報酬の不整合から生じたのかを暴くプレイブックです。効果的にモチベーションを高めたいですか？その秘訣は、インセンティブを増やすことではなく、より質の高いものにすることにあります。

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混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズムの同じアイデアを、あなたに合う声・深さ・ペースで学べます。いつでも切り替えられます。

第1章

When Incentives Send the Wrong Message

Have you ever told a child to be honest, then lied about their age to save money at Disney World? Or encouraged teamwork at work while rewarding individual performance? Welcome to the world of mixed signals - where what we say contradicts what we incentivize. This fascinating disconnect sits at the heart of economist Uri Gneezy's groundbreaking work on incentives and human behavior. "Mixed Signals" has become a sensation among behavioral economists and business leaders alike, with Bill Gates naming it one of his top reads and companies from Google to Goldman Sachs implementing its principles. Gneezy's research has influenced policy decisions worldwide, from healthcare reforms to environmental initiatives. The book's unique blend of academic rigor and practical application has made it required reading at top business schools, where students learn how subtle incentive structures can dramatically alter human behavior in ways traditional economics fails to predict.

第2章

The Hidden Language of Incentives

Incentives are the invisible forces that shape our behavior, often more powerfully than our conscious intentions. When my son Ron was young, I taught him that honesty separates good people from bad ones. Then came our Disney World trip, where I told the cashier he was "almost three" to avoid the $117 ticket price for children three and older-despite his birthday being months earlier. Ron's confusion was immediate: "Daddy, I'm confused. You told me only bad guys lie, and you just did!" This moment perfectly captures the concept of mixed signals-saying one thing but doing another when faced with incentives. The lesson Ron actually learned wasn't about honesty but about situational ethics: "do as I do, not as I say." What could Disney do to reduce such dishonesty? Rather than creating hassle through documentation requirements, they could simply ask that children be present when purchasing tickets or have the child state their own age. This forces parents to either lie in front of their children or pay the full price-a powerful signal about honesty that aligns words with actions. This principle extends far beyond theme parks. Companies routinely create mixed signals through poorly designed incentives. Consider the CEO who emphasizes teamwork while rewarding individual success-employees will naturally prioritize personal gain over collaboration. Other common examples include organizations that stress long-term goals but reward short-term results, inspire innovation while punishing failure, or emphasize quality while paying for quantity. The key insight is that incentives don't just motivate behavior-they send signals about what truly matters. When these signals contradict our stated values, people follow the incentives, not the rhetoric. Aligning what we say with the incentives we offer creates credible, understandable signals that drive consistent behavior.

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『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の一語一語が音声に合わせてリアルタイムでハイライトされ、自然に読み進められます。

第3章

How Signaling Wins Markets

The right signals can captivate consumers and win markets, while the wrong ones can backfire spectacularly. Remember the Seinfeld episode where Jerry gives Elaine cash for her birthday ($182), disappointing her, while Kramer's thoughtful but less expensive bench delights her? Jerry's gift signaled thoughtlessness despite its monetary value, while Kramer's signaled care and consideration. Signals serve as valuable tools for communicating private information that others wouldn't believe through mere words. A "costly signal" allows people to credibly inform others about their values, abilities, or preferences. Consider Harley motorcycle culture: anyone can buy Harley merchandise like Jim the accountant who rides for a month yearly, but getting neck tattoos serves as a credible signal of authentic biker identity because it's too costly for "fakers" who need to return to office life. Education functions similarly in job markets, as Nobel Prize winner Michael Spence demonstrated. Quality education credibly signals an applicant's abilities because it requires significant investment that's less costly for high-ability individuals than low-ability ones. Former Navy SEALs signal character through their completion of extremely demanding training. The credibility of signals comes from their difficulty, cost, or permanence-revealing something valuable about one's true preferences, abilities, or character. Toyota's Prius provides a perfect case study in effective signaling. In 1999, Toyota and Honda both introduced hybrid cars to the US market, but Toyota's Prius quickly dominated while Honda's offering failed. Paradoxically, Toyota succeeded partly because early hybrid cars were objectively "bad" in most dimensions except fuel consumption-more expensive with less speed, acceleration, comfort, and safety than comparable non-hybrid vehicles. These shortcomings created a powerful signaling opportunity. By purchasing a Prius despite its drawbacks, consumers sent a strong signal about their environmental values-they were demonstrating willingness to sacrifice comfort, safety, and money for environmental benefits. Unlike Honda, which designed hybrids resembling regular cars, Toyota's second-generation Prius featured a distinctive look that everyone recognized. Sales data showed Toyota's strategy worked brilliantly-a 2007 study found 57% of Prius buyers got it "because it makes a statement about me," while only 36% cited fuel economy.

第4章

The Dual Nature of Signaling: Social and Self

While the Prius demonstrated social signaling-improving our image with others-many choices are also driven by self-signaling, where we gain satisfaction from actions indicating we're good people. These two types of signaling interact in complex ways that don't simply add up. Consider Jane, a lawyer who donates blood periodically. The slight discomfort actually enhances her self-signaling-she's sacrificing comfort for others. She may also enjoy social signaling when mentioning her donation to friends. In her calculation, the good feelings outweigh the time and discomfort costs. Unlike Jane, Joe, a secretary at the same law firm, doesn't donate blood. With a lower salary, he'd rather spend time driving for Uber to supplement his income. The economics of blood donation are fascinating-hospitals pay about $570 per unit, but donors aren't paid. When monetary compensation (like $50) is introduced, it changes everything. Jane can no longer signal her altruism to friends or herself, as money clouds her motives. Meanwhile, Joe might start donating if the incentive is large enough. Our restaurant experiment showed these signals don't always reinforce each other-sometimes they conflict. When customers could pay anonymously for their meal, they actually paid more than when observed, suggesting that being watched reduced the self-signal's value. With no observers, the self-image receives the full benefit of generosity. Small non-cash incentives like pens or medals can work without compromising the altruistic signal, as they enhance rather than replace the signaling value. Understanding your audience and how incentives affect self-selection is crucial when designing effective incentive schemes.

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
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第5章

When Incentives Prioritize Quantity Over Quality

Our choices and actions signal our values to others. When managers say one thing ("customer care is most important") but incentivize another (paying by number of calls answered), they create confusion. This mixed signals problem centers on what should be rewarded. Often, companies measure and compensate for just one aspect of performance-typically what's easiest to measure-sending a clear message to workers: focus only on what we pay you for. Suzan, a call center manager, faces a dilemma in compensating her team member Jack. Should she pay him a fixed wage based on time (which might lead to leisurely work and Facebook breaks) or by number of calls completed? If she chooses the latter, Jack receives a signal to maximize call volume-potentially "accidentally" dropping complicated calls or rushing customers to end conversations quickly. Companies and governments repeatedly make this mistake of incentivizing quantity at the expense of quality. The US government's first transcontinental railroad paid Union Pacific by mile of track built, leading Thomas Durant to inflate costs by unnecessarily adding miles. Similarly, paleontologists in 19th-century China paid locals per fossil fragment, causing them to smash valuable bones to increase earnings. Soviet glass factories first incentivized weight (producing nearly opaque glass) then square meters (resulting in dangerously thin glass). When you push people to increase one dimension of output, you create unintended effects on other dimensions. In Chile, when bus drivers' pay was changed from hourly to per-passenger, they immediately became more efficient but also more aggressive, causing more accidents and less pleasant rides. Tel Aviv's minibuses, operated by drivers who pocket passenger fees, move faster but dangerously-often leaving before passengers are seated or doors fully closed. Rideshare companies brilliantly solved the quantity-versus-quality dilemma by adding a rating system to their pay-per-ride incentive structure. While taxi drivers on fixed wages lack motivation to optimize routes and those paid per ride might sacrifice service quality for speed, Uber drivers must maintain high ratings to keep driving. This simple, cost-effective solution simultaneously incentivizes efficiency and good service. The fee-for-service healthcare model creates similarly perverse incentives that prioritize quantity over quality. Physician-mothers are 7.5% less likely to receive C-sections than non-physician mothers, suggesting medical knowledge helps counter financially-driven treatment recommendations. This knowledge gap has real consequences-if all patients received the same treatment as informed physicians, C-section rates would drop and hospital charges would decrease by $2 billion annually. The lesson is clear: when incentivizing quantity, always include quality metrics to avoid sending mixed signals.

第6章

Innovation Versus Risk Aversion

Companies that encourage innovation but punish failure send a devastating mixed signal that stifles risk-taking. Success requires innovation, which inevitably involves failure-like Edison testing 6,000 materials before finding the right lightbulb filament. Organizations that truly innovate create cultures where mistakes aren't just tolerated but analyzed openly. The Israeli Air Force exemplifies this approach, treating near-accidents as learning opportunities and commending sound decision-making regardless of outcome. Creative geniuses don't necessarily have higher success rates than others; they simply try more ideas and fail faster. Smart companies recognize this reality by incentivizing early termination of failing projects rather than punishing failure itself. Blockbuster's dramatic fall from industry domination to bankruptcy demonstrates how avoiding change and fearing failure leads to stagnation. Once America's leading video rental chain with a $3 billion market value and 9,000 stores, Blockbuster built its business model around late fees, collecting $800 million annually from its 65 million customers. This created a customer base frustrated by penalties, setting the stage for disruption. After a $40 late fee, Reed Hastings founded Netflix with a subscription model eliminating return deadlines. When Hastings proposed a partnership, Blockbuster's CEO laughed him off. While Netflix innovated with streaming services and earned $116 million by 2009, Blockbuster lost $516 million, clinging to its profitable but dying model. When CEO Antioco finally attempted to transition away from late fees and invest in digital platforms, the board rejected his vision, fearing the $400 million cost, and fired him. Under new leadership focused on short-term profits, Blockbuster soon went bankrupt. Richard Branson exemplifies the opposite approach to failure with his Virgin Group. Launching over 400 companies across diverse industries, Branson embraces risk and learns from failures. When Virgin Cola initially succeeded in the UK but ultimately failed against Coca-Cola's aggressive counterattack, Branson didn't dwell on the loss. Instead, he extracted valuable lessons about only entering markets where Virgin could be "palpably better than all the competition." His risk-seeking spirit permeates his companies' culture, encouraging innovation despite potential failures.

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第7章

Short-Term Results Versus Long-Term Vision

Companies often sabotage their long-term success by incentivizing short-term gains. When Bazaarvoice acquired PowerReviews in 2012, executives saw their stock price soar above $20 and personally realized $90 million. However, they knew this anti-competitive move would likely face legal challenges. Indeed, the Department of Justice forced divestiture, causing the stock to plummet below $7. This "short-termism" occurs when executives focus on immediate results at the expense of sustainable growth. Research confirms that CEOs with equity vesting in upcoming quarters make decisions that boost short-term stock performance but harm long-term value. To align incentives with lasting success, companies should escrow executive equity for at least five years and consider extending guaranteed tenure to encourage forward-thinking investments. The length of tenure significantly impacts decision-making horizons. Politicians facing reelection every few years avoid long-term infrastructure investments that won't yield benefits until after they leave office. While unlimited political tenure creates other problems in a democracy, extending guaranteed tenure in other contexts can effectively align incentives with long-term success. Basketball coaches with job security for at least a season are more likely to develop promising young players rather than relying solely on veterans for immediate wins. Performance-based teacher pay has spread across at least twenty states, fueled by federal Teacher Incentive Funds that grew from $97 million to $487 million in just one year. While intended to reward good teachers, this approach creates problematic mixed signals. Teachers must sacrifice valuable learning time for standardized test preparation, with 81% reporting their students spend too much time testing. The curriculum becomes compressed and dry, eliminating creative activities that foster genuine learning. Finland offers a stark contrast-with no standardized tests and teacher autonomy, Finnish students consistently outperform Americans on international assessments while maintaining a dropout rate below 1% (compared to America's 25%). The debate continues between those who believe incentives motivate educators and those who argue that attaching dollar signs to education undermines teachers' intrinsic motivation to facilitate long-term student growth.

第8章

Team Versus Individual Incentives

Organizations often send mixed signals by emphasizing teamwork while rewarding individual performance. This disconnect creates confusion about true priorities and can damage collaboration. Mark Zuckerberg once paid $47 million to acquire FriendFeed primarily to obtain exceptional talent, stating that exceptional performers are "100 times better" than average ones. This star-player philosophy is exemplified by quarterback Tom Brady, who led the Tampa Bay Buccaneers to a Super Bowl victory immediately after leaving the Patriots. However, soccer superstar Lionel Messi demonstrates that individual brilliance isn't always enough-despite unparalleled success with Barcelona, he struggled to achieve similar results with Argentina's national team, showing that even extraordinary talent requires the right team environment to flourish. Individual incentives motivate harder work and attract top talent, but they create mixed signals when organizations simultaneously emphasize teamwork. Employees follow the money, not the talking points. When team performance matters, individual incentives can discourage collaboration, mentoring, and knowledge sharing. Team incentives encourage cooperation but risk "free riding" where some members reduce effort expecting others to compensate. Price competition experiments reveal how incentive structures affect team dynamics. When team profits are divided equally, prices drop significantly as members work collectively toward winning. However, with individual incentives where each player keeps what they charge, prices remain much higher as members try to maximize personal gain while free-riding on teammates who set lower prices. After 100 rounds, team incentives resulted in average prices under $12, while individual incentives produced prices two and a half times higher at $30. Professional sports perfectly illustrate this tension. In soccer, players like Alexis Sanchez at Manchester United received 75,000 per goal but only 20,000 per assist, creating situations where passing to a teammate with a better scoring chance (60% probability) was financially worse than attempting a lower-probability shot (40%). These individual bonuses caused visible conflicts, like when Sanchez and Pogba argued over penalty kicks, and created team discord. Similar issues plague NFL players, who receive performance bonuses for individual statistics like sacks or playing time, potentially incentivizing behavior that benefits personal stats over team success or even player health. While individual incentives motivate star performers, they often contradict the "teamwork" messaging from management, sending mixed signals that undermine collective success.

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第9章

The Psychology of Incentive Framing

Behavioral economists and psychologists have discovered systematic ways that different incentive framings affect the meaning we assign to behavior. When a daycare center introduced a modest fine of 10 Israeli shekels (about $3) for late pickups, it unintentionally transformed a social norm into a financial transaction. Rather than feeling guilty about inconveniencing staff, parents now viewed lateness as a service they could purchase, removing the social pressure that had previously encouraged punctuality. Even after removing the fine, parents continued arriving late-they had learned that lateness wasn't seriously frowned upon. Similarly, when the Welsh government fined parents 60 for taking children out of school during term time, unauthorized absences actually increased as parents treated it as a price worth paying for cheaper vacations. By contrast, steeper penalties-like the $5-per-minute fines in some US daycares or the Paris practice of taking children to police stations when parents are late-effectively signal that lateness is unacceptable. Safety measures can paradoxically increase risky behavior. When drivers wear helmets while passengers don't, the protected driver may take greater risks, endangering the vulnerable passenger. This "Peltzman effect" emerged after seatbelts became mandatory-drivers felt safer and took more risks, potentially increasing accidents. Similarly, as AIDS treatments transformed the disease from fatal to chronic, people became less cautious about prevention. When choosing incentive currency, how you frame rewards matters more than their actual value. Redfin discovered their commission refunds had zero effect on demand despite giving away hundreds of millions of dollars. The problem wasn't the incentive itself but how it was delivered. People mentally categorize money differently based on context-a principle called "mental accounting" that violates economic fungibility. A $450 discount feels insignificant against a $20,000 car purchase, but that same amount as a prepaid gas card feels substantial because it targets a specific, irritating expense category. In field experiments with Edmunds.com, a $250 gas card proved more effective than a $450 car discount. Similarly, Singapore taxi drivers walked significantly more steps when incentivized with taxi rental fee credits versus equivalent cash payments, with effects persisting even after incentives ended.

第10章

Creating Lasting Behavior Change

We've all experienced the cycle of ambitious resolutions followed by rapid abandonment. Gym data illustrates this perfectly: January sees 11% of annual memberships purchased, yet 50% quit by month's end. People consistently overestimate their future self-control, resulting in costly decisions-like paying $70 monthly for gym memberships they rarely use. Change happens incrementally. When someone first visits the gym, they struggle to exercise even ten minutes and wake up sore the next day. But continuing builds "habitual stock"-practice and experience that makes exercising less painful and eventually enjoyable as benefits become tangible. Incentives help people overcome the difficult starting phase, which is crucial since evidence shows starting is the hardest part. In our university experiment, we offered students $25 to visit the campus gym once, then randomly selected some to receive $100 for eight more visits over four weeks. The results were striking: during the incentive period, gym visits spiked dramatically, but more importantly, even after payments stopped, the incentivized group visited the gym twice as often as controls for seven more weeks. This improvement came entirely from previously irregular gym-goers, suggesting monetary incentives can indeed help form exercise habits by pushing people past the threshold needed for consistent activity. Given self-control problems, commitment devices-ways to lock oneself into a plan-can help people follow through. Like Odysseus tying himself to his ship's mast to resist the Sirens, Royer, Stehr, and Sydnor tested commitment devices with 1,000 Fortune 500 employees. After an initial incentive period ($10 per gym visit), some participants were offered a self-funded commitment option: they could pledge their own money toward continued exercise, losing it to charity if they failed. This approach was remarkably effective, with participants retaining half their incentive-induced exercise increase over the following two months. Social connections significantly amplify exercise incentives. Babcock and Hartman demonstrated this by mapping friendship networks among college students before randomly assigning gym incentives. They found incentivized participants visited the gym more frequently when they had more incentivized friends, but less frequently when they had more unincentivized friends.

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第11章

Transforming Communities Through Incentives

Moving beyond individual behavior change, incentives can transform deeply-rooted cultural practices across entire communities. While cultural traditions are resilient and complex, they ultimately consist of individual actions driven by incentives. With carefully designed interventions, even centuries-old harmful practices can be replaced with beneficial alternatives. The Maasai's traditional practice of killing lions threatens both their cultural heritage and Kenya's dwindling lion population. When sixteen-year-old Samson prepared to spear a lion as his warrior rite of passage, he was participating in a tradition rooted in economic necessity-lions threatened the livestock that constituted the Maasai's entire wealth. However, with Kenya's lion population plummeting from 200,000 to just 20,000 in thirty years, conservationists Luca Belpietro and Samson Parashina developed the "Simba Project" to change this practice. Their incentive scheme targeted Maasai elders who owned livestock: rather than calling warriors to kill lions that attacked their cattle, elders could receive financial compensation for lost livestock-but only if no lions were subsequently killed. By altering the payoff structure, the project made restraint more economically attractive than revenge. Funded by tourist taxes at Belpietro's eco-lodge, the compensation matches market value of lost livestock, making the program sustainable while preserving both wildlife and tourism revenue. While the financial incentives effectively changed the elders' behavior, the warriors posed a unique challenge. For them, lion killing was a sacred rite of passage that defined their manhood. The solution was creating "Simba Scouts"-a group of established warriors now tasked with protecting lions instead of killing them. Through education about conservation, older warriors helped shift younger warriors' perspectives, redefining bravery as preserving lions rather than killing them. This alternative role preserves the warriors' pride and traditional identity while providing a decent living. The narrative change worked brilliantly-young Maasai boys no longer aspire to kill lions, elders don't call for lion hunts after livestock attacks, and both the lion population and tourism are thriving. This success demonstrates how well-designed incentives can transform even the most deeply ingrained cultural practices by addressing both economic and social needs.

第12章

The Power of Incentives in Negotiations

Our choices and actions signal our values to others, and nowhere is this more evident than in negotiations. Using the example of selling a house in Chicago, we learn that the first offer in a negotiation serves as a powerful signal that influences the entire process. Even in zero-sum interactions where one party's gain is the other's loss, understanding four key behavioral principles can give you an advantage: anchoring and adjustment, the contrast effect, price signals quality, and the norm of reciprocity. The anchoring effect shows that a buyer's perception of value isn't independent of the negotiation process itself. In Tversky and Kahneman's classic experiment, participants' estimates of African nations in the UN correlated with random numbers they'd previously seen on a "wheel of fortune." This anchoring effect works even on experts-financial managers' predictions about interest rates were influenced by suggested numbers, and real estate agents' property valuations were affected by listing prices despite their insistence otherwise. A high but reasonable first offer not only anchors your counterpart but also creates a contrast effect that benefits you throughout the negotiation. Like the fable of the poor man who temporarily brought farm animals into his crowded hut only to appreciate the space after removing them, your initial offer becomes the reference point against which all subsequent offers are compared. When you set a high price, you signal high quality-a psychological effect that can actually improve the perceived value of your offering. Peloton CEO John Foley discovered this counterintuitive principle when he raised his bike's price from $1,200 to $2,000 and saw sales increase because customers assumed the higher-priced product must be better built. Humans are hardwired to return favors-a principle demonstrated when sociologist Phillip Kunz received over 200 Christmas cards from complete strangers after randomly sending cards to 600 people. In negotiations, this creates a powerful dynamic: starting with a high initial offer allows you to make a seemingly generous concession, which triggers the buyer's reciprocity instinct to respond with their own concession. The ideal first offer should be "just this side of crazy"-surprising but not offensive enough to end negotiations. What constitutes "high but reasonable" varies by context and culture, from bazaars where opening at several times your reservation price is expected, to industries with minimal negotiation where even 1% might be considered aggressive.

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

毎日の新しい気づきを10万件以上のレッスンから
言葉をハイライトして音声と同期
ライブラリを保存して、どの端末からでも利用

第13章

From Mixed Signals to Clear Communication

The COVID-19 pandemic transformed the world into a real-life behavioral laboratory, raising practical and ethical questions about using incentives. As vaccines became available in spring 2021, organizations explored how to incentivize vaccination, with Ohio's "Vax-a-Million" lottery offering a million dollars to vaccinated residents. People fall into three categories regarding incentives: those who need no incentives, those who won't respond to any incentive, and those who are skeptical but persuadable. For this third group, signals matter tremendously. Smaller, more thoughtful incentives often work better-like New Jersey offering dinner with the governor or free state park admission, which connected vaccination with reopening. The most effective incentives tied vaccination to supporting local businesses, like Connecticut's free drink program or Krispy Kreme's free donut offer. Israel's plastic bag fee law introduced in 2017 reduced bag usage by 80% in its first year despite the tiny three-cent charge. The law's success came from its clear signal that environmental protection was a priority. The message wasn't about collecting money but protecting the environment for future generations. These examples show that when incentives align with clear signals about priorities, they can achieve remarkable results. The key lesson from "Mixed Signals" is that incentives work best when they tell a coherent story-one that aligns with our stated values and goals. By understanding both the economic and psychological dimensions of incentives, we can design systems that motivate desired behaviors while reinforcing our deepest principles.

★★★★★

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』を最後まで読み終えました

100万人以上の学習者に愛用されています

“23日間、毎日使い続けています。今では日課の一部です。”

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『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の主要テーマ

incentive design
behavioral signaling
situational ethics
costly signaling
social identity

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の名言

Incentives are the invisible forces that shape our behavior.
Aligning what we say with the incentives we offer creates credible signals.
Signals serve as valuable tools for communicating private information.
Our choices and actions signal our values to others.
People follow the incentives, not the rhetoric.

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の登場人物

Uri GneezyAuthor and economist studying human behavior
Ron GneezyThe author's son used as a case study on honesty
Michael SpenceNobel Prize winner who studied education signals

著者について

『Mixed Signals: How Incentives Really Work』の著者であるウリ・グニージー（Uri Gneezy）は、行動経済学の第一人者であり、カリフォルニア大学サンディエゴ校レイディ・スクール・オブ・マネジメントの行動経済学エプスタイン／アトキンソン講座教授を務めています。実験経済学を専門とするグニージーは、職場のダイナミクスから消費者の意思決定に至るまで、現実世界の文脈においてインセンティブがいかに人間行動を突き動かすかを明らかにするフィールド研究の先駆者です。

ジェンダーによる競争、習慣形成、そしてインセンティブ設計がもたらす意図せぬ結果といったトピックに関する彼の研究は、世界中の政策やビジネス戦略に影響を与えてきました。

グニージーは、ジョン・A・リストとの共著で、フィールド実験を用いて隠れた経済的動機を解読した影響力のある著書『君たちのやる気は、なぜ長続きしないのか？（原題：The Why Axis）』を執筆しています。『Behavioral Scientist』誌への定期的な寄稿や、シカゴ大学などの機関での講演も行っており、グニージー・コンサルティングを通じて、学術的な厳密さと実践的な洞察を融合させ、組織に対してインセンティブ設計のアドバイスを行っています。

『Mixed Signals』は、彼の数十年にわたる研究に基づいて執筆されており、不整合なインセンティブがいかにコストのかかる誤解を生むかを示し、それらを解決するためのフレームワークを提示しています。多言語に翻訳されている本書は、複雑な行動概念を実行可能なツールへと変換するグニージーの定評を反映しており、教育者、経営幹部、政策立案者の間で広く引用されています。

混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズムの要約をダウンロード

混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズムの要約をPDFまたはEPUBで無料でダウンロード。印刷やオフラインでいつでもお読みいただけます。

他のユーザーのお気に入り

Misbehaving

Richard H. Thaler

Predictably Irrational

Dan Ariely

Mixed Signals: Decoding the Reality of Attraction の書籍表紙

They’re Just Not That Into You | Psychology Today New Zealand

7 Reasons People Send Mixed Signals In Relationships | Psychology Today

Why Mixed Signals Make Someone More Attractive, According to Therapists | SELF

3 Subtle Signs That Someone's Attracted to You | Psychology Today Singapore

8 sources

Mixed Signals: Decoding the Reality of Attraction

Nudge

Richard H. Thaler

mixed signals psychology: Psychology says mixed signals feel addictive, here’s why one day of love and the next day of distance can make you chase someone even harder - The Economic Times

Mixed Signals: What They Mean and What to Do About Them

How to Deal With Mixed Signals — Read the Data

9 Non-Verbal and Body Language Signs They're Into You

6 sources

Decoding Mixed Signals

The Irrational Bundle

Dan Ariely

The Upside of Irrationality

Dan Ariely

Carrots and Sticks

Ian Ayres

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コロンビア大学卒業生がサンフランシスコで開発

LOVED BY

1,000,000+ curious minds.

4.7

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1M+ learners

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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

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117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

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108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC

254

"Feels effortless compared to reading. I’ve finished 6 books this month already."

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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

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"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

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"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

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117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

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@Erin, Investment Banking Associate , NYC

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@Pitiful

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混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム

概要『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の概要

1冊の本。さまざまな聴き方。

When Incentives Send the Wrong Message

The Hidden Language of Incentives

聴きながら、すべての言葉を目で追えます

How Signaling Wins Markets

The Dual Nature of Signaling: Social and Self

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

When Incentives Prioritize Quantity Over Quality

Innovation Versus Risk Aversion

聴きながら、すべての言葉を目で追えます

Short-Term Results Versus Long-Term Vision

Team Versus Individual Incentives

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

The Psychology of Incentive Framing

Creating Lasting Behavior Change

聴きながら、すべての言葉を目で追えます

Transforming Communities Through Incentives

The Power of Incentives in Negotiations

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

From Mixed Signals to Clear Communication

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』を最後まで読み終えました

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の主要テーマ

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の名言

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の登場人物

著者について

混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズムの要約をダウンロード

他のユーザーのお気に入り

この本に関するよくある質問

What is Mixed Signals: How Incentives Really Work about?

Who should read Mixed Signals: How Incentives Really Work?

Is Mixed Signals: How Incentives Really Work worth reading?

What are the main concepts in Mixed Signals?

もっと見る

1,000,000+ curious minds.

1,000,000+ curious minds.

1冊の本。さまざまな聴き方。

When Incentives Send the Wrong Message

The Hidden Language of Incentives

聴きながら、すべての言葉を目で追えます

How Signaling Wins Markets

The Dual Nature of Signaling: Social and Self

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

When Incentives Prioritize Quantity Over Quality

Innovation Versus Risk Aversion

聴きながら、すべての言葉を目で追えます

Short-Term Results Versus Long-Term Vision

Team Versus Individual Incentives

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

The Psychology of Incentive Framing

Creating Lasting Behavior Change

聴きながら、すべての言葉を目で追えます

Transforming Communities Through Incentives

The Power of Incentives in Negotiations

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』をもっと深く楽しむ

From Mixed Signals to Clear Communication

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』を最後まで読み終えました

他のユーザーのお気に入り

もっと見る

『混迷するシグナル――行動経済学で読み解く「本音」と「建前」のメカニズム』の概要