You're listening to Business Weekly on Intelligence Squared.

Today we're talking Nudge Theory with Economist and author Richard Thaler.

It was part of an online event we did, which is why you'll hear some audience questions.

I hope you enjoy it.

Here's host Kamal Ahmed with more.

Now, lots of books are claimed to be one of the books of the century.

This book genuinely is one of the books of the century.

I read an urge first time when it first came out a decade ago,

and it genuinely changed the way I thought.

As it did for many people, whether they were governments, whether they were business,

whether they were third sector civil society,

it made for the first time behavioral economics mainstream,

and it really did move the dial on how we understood the world around us.

This, of course, is not his only book,

but is co-authored with his brilliant and witty colleague,

as he's Richard, and just reading the book brings that across,

Kaz Sustine.

So Richard, welcome.

Thank you very much for joining us to be here.

Could I kick off just for those who have possibly lived on another planet

over the past decade?

When you first wrote Nudge, what were the key things you wanted people to understand

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