Cass R. Sunstein

The social cost of carbon: The most important number you've never heard of—and what it means. If you're injuring someone, you should stop—and pay for the damage you’ve caused. Why, this book asks, does this simple proposition, generally accepted, not apply to climate change? In Climate...

A much-needed defense of liberalism—what it is, why it is under threat, and why we need it more than ever—from one of our most important political thinkers today. More than at any time since World War II, liberalism is under pressure, even siege. On the right, some have given up on...

Free speech is indispensable on college campuses: allowing varied views and frank exchanges of opinion is a core component of the educational enterprise. But free speech does not mean a free-for-all. The First Amendment prohibits "abridging the freedom of speech," yet laws against perjury or...

The bestselling author of Simpler offers a powerful, provocative, and convincing argument for protecting people from their own mistakes Based on a series of pathbreaking lectures given at Yale University in 2012, this powerful, thought-provoking work by national best-selling author Cass R...

This “smart and fun read, and a valuable way to revitalize your life” (Walter Isaacson) deftly explains how disrupting our well-worn routines, both good and bad, can rejuvenate and reset our brains for the better. Have you ever noticed that what is exciting on Monday tends to become boring...

"Star Wars is the ultimate mythological tale of our age, a hero's journey that is a tribute to the beauty of human freedom as well as an exploration of its dark complexities. In this gem of a book, the brilliant Cass Sunstein uses the series to explore profound questions about being a parent, a...

From New York Times bestselling author Cass Sunstein, a timely and powerful argument for rethinking how the U.S. Constitution is interpreted The U.S. Supreme Court has eliminated the right to abortion and is revisiting other fundamental questions today—about voting rights, affirmative action...

“What makes Trump immune is that he is not a president within the context of a healthy Republican government. He is a cult leader of a movement that has taken over a political party – and he specifically campaigned on a platform of one-man rule. This fact permeates “Can It Happen Here?...

This sharp and engaging collection of essays by leading governmental scholar Cass R. Sunstein examines shifting understandings of what's normal and how those shifts account for the feminist movement, the civil rights movement, the rise of Adolf Hitler, the rise of gun rights, the response to...

The different ways that social change happens, from unleashing to nudging to social cascades. How does social change happen? When do social movements take off? Sexual harassment was once something that women had to endure; now a movement has risen up against it. White nationalist sentiments...

Why policies should be based on careful consideration of their costs and benefits rather than on intuition, popular opinion, interest groups and anecdotes. Opinions on government policies vary widely. Some people feel passionately about the child obesity epidemic and support government...

Rumours are as old as human history, but with the rise of the internet, it's now possible to spread stories about anyone, anywhere, instantly. In the 2008 US election, many Americans believed Barack Obama was a Muslim. The conspiracy theory book 9/11: The Big Lie has become a best seller...

We live in an era of tribalism, polarization, and intense social division - separating people along lines of religion, political conviction, race, ethnicity, and sometimes gender. How did this happen? In Conformity, Cass R. Sunstein argues that the key to making sense of living in this fractured...

How we became so burdened by red tape and unnecessary paperwork, and why we must do better. We've all had to fight our way through administrative sludge-filling out complicated online forms, mailing in paperwork, standing in line at the motor vehicle registry. This kind of red tape is a nuisance...

The best-selling author and recipient of the 2018 Holberg Prize, Cass R. Sunstein, explores how more information can make us happy or miserable, and why we sometimes avoid it - but sometimes seek it out. How much information is too much? Do we need to know how many calories are in the giant vat...

Is the modern administrative state illegitimate? Unconstitutional? Unaccountable? Dangerous? Intolerable? American public law has long been riven by a persistent, serious conflict, a kind of low-grade cold war, over these questions. Cass Sunstein and Adrian Vermeule argue that the administrative...

In this pathbreaking book, New York Times best-selling author Cass Sunstein asks us to rethink freedom. He reveals that freedom of choice isn't nearly enough. To be free, we must also be able to navigate life. People often need something like a GPS device to help them get where they want to go...

Since the original publication of Nudge more than a decade ago, the title has entered the vocabulary of businesspeople, policy makers, engaged citizens, and consumers everywhere. The book has given rise to more than 200 "nudge units" in governments around the world and countless groups of...

Every day, we make decisions on topics ranging from personal investments to schools for our children to the meals we eat to the causes we champion. Unfortunately, we often choose poorly. The reason, the authors explain, is that, being human, we are all susceptible to various biases that can lead...

Every day, we make decisions on topics ranging from personal investments to schools for our children to the meals we eat to the causes we champion. Unfortunately, we often choose poorly. The reason, the authors explain, is that, being human, we are all susceptible to various biases that can lead...