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The Architecture of Choice: Cass Sunstein on Nudge Theory
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The Architecture of Choice: Cass Sunstein on Nudge Theory
Subject: Behavioural Economics / Public Policy
Source: Conversations with Tyler
Thesis
Every choice is presented within an architecture. Designing that architecture is not optional — only whether it is done deliberately or by accident.
Frameworks
Choice Architecture
Defaults, framing, and salience shape outcomes more reliably than persuasion or incentives.
The Nudge Test
A nudge must be transparent, easy to opt out of, and likely to improve welfare as judged by the chooser themselves.
Key Research
- — Madrian & Shea (2001) on default enrolment in 401(k) plans — participation jumps from 49% to 86%.
- — Thaler & Benartzi 'Save More Tomorrow' field experiments.
Tools
- Audit one workflow where the default sets a bad outcome — flip it.
- Reduce a recurring decision to a single calendar block with a pre-committed answer.
Concepts
Sludge. Friction designed to discourage a beneficial action — the inverse of a nudge.
Libertarian Paternalism. Preserving freedom of choice while gently steering people toward better outcomes.
Reading
- Nudge: The Final Edition — Thaler & Sunstein
- Thinking, Fast and Slow — Daniel Kahneman
This Week
- 01.List three defaults in your life — are any working against you?
- 02.Remove one piece of sludge from a routine you control.
- 03.Pre-commit a recurring decision for the next 30 days.