Cass R. Sunstein Books
Cass R. Sunstein is an American legal scholar, behavioral economist, and professor at Harvard Law School.
Known for: Nudge, Impeachment: A Citizen's Guide, Liars: Falsehoods and Free Speech in an Age of Deception, Republic.com 2.0, The World According To Star Wars, Wiser: Getting Beyond Groupthink to Make Groups Smarter
Books by Cass R. Sunstein

Nudge
Nudge explores how small design changes in the way choices are presented can significantly influence human behavior and decision-making. Drawing on behavioral economics and psychology, Thaler and Suns...

Impeachment: A Citizen's Guide
In this concise and accessible book, legal scholar Cass R. Sunstein explains the history, theory, and practice of impeachment in the United States. He explores the constitutional foundations, the inte...

Liars: Falsehoods and Free Speech in an Age of Deception
In this book, Cass R. Sunstein explores how lies and misinformation spread rapidly in modern societies and examines the tension between free speech and the need to protect truth. He argues that while ...

Republic.com 2.0
In Republic.com 2.0, legal scholar Cass R. Sunstein explores how the Internet, while empowering individuals to access information tailored to their preferences, also risks fragmenting public discourse...

The World According To Star Wars
In this engaging and insightful book, legal scholar Cass R. Sunstein explores how the Star Wars saga reflects and illuminates real-world themes such as politics, family, rebellion, and destiny. Blendi...

Wiser: Getting Beyond Groupthink to Make Groups Smarter
In this book, Cass R. Sunstein and Reid Hastie explore how groups make decisions and why they often fail to reach optimal outcomes. Drawing on behavioral economics and psychology, the authors analyze ...
Key Insights from Cass R. Sunstein
Introduction to Human Decision-Making
When we began studying economic behavior, we noticed something striking: the people in our data were not the perfectly rational agents that classical economics described. They procrastinated, made inconsistent choices, changed their minds, and routinely ignored statistical reasoning. In short, they ...
From Nudge
The Concept of Choice Architecture
Every environment where choices are made—cafeterias, websites, offices, or government forms—has an architecture. Someone decides what options to present, how to sequence them, and what defaults to use. These structural decisions influence what people choose, even when no one consciously intends to i...
From Nudge
Historical Foundations
Impeachment didn’t originate with America—it was born in England, where Parliament created it as a tool against royal ministers who betrayed the realm or abused their position. In England, it was both political and legal: a way to restrain monarchy and control corruption. The framers of the American...
From Impeachment: A Citizen's Guide
Constitutional Text
The Constitution’s Article II, Section 4, offers one of the briefest but most powerful sentences in our national charter: 'The President, Vice President and all civil Officers of the United States, shall be removed from Office on Impeachment for, and Conviction of, Treason, Bribery, or other high Cr...
From Impeachment: A Citizen's Guide
Historical Context
The history of free speech is, at its core, a history of trust: trust that truth will emerge from the clash of ideas, not from governmental verdicts. The American constitutional tradition—through landmark cases such as *New York Times v. Sullivan*—established that even false statements about public ...
From Liars: Falsehoods and Free Speech in an Age of Deception
Psychology of Deception
Why do people believe lies even when evidence contradicts them? Behavioral science reveals a sobering truth: human cognition is far less rational than constitutional theories assume. We cling to stories that affirm identity, reward familiarity, and reduce cognitive dissonance. Falsehoods, once absor...
From Liars: Falsehoods and Free Speech in an Age of Deception
About Cass R. Sunstein
Cass R. Sunstein is an American legal scholar, behavioral economist, and professor at Harvard Law School. He has written extensively on constitutional law, behavioral economics, and public policy, and served in the Obama administration as Administrator of the White House Office of Information and Re...
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Cass R. Sunstein is an American legal scholar, behavioral economist, and professor at Harvard Law School. He has written extensively on constitutional law, behavioral economics, and public policy, and served in the Obama administration as Administrator of the White House Office of Information and Re...
Cass R. Sunstein is an American legal scholar, behavioral economist, and professor at Harvard Law School. He has written extensively on constitutional law, behavioral economics, and public policy, and served in the Obama administration as Administrator of the White House Office of Information and Regulatory Affairs.
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Cass R. Sunstein is an American legal scholar, behavioral economist, and professor at Harvard Law School.
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