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What 17,000 Wallets Teaches Us About Honesty

Across 4,000 years and 40 countries, people keep doing the same thing with a stranger's wallet. Someone wrote that into us.

Joseph Pickett's avatar
Joseph Pickett
May 11, 2026
∙ Paid

I found a man’s wallet on a concrete pier by the cruise ship in Greece last year.

Thick, brown, stuffed with cash, passport, driver’s license, credit cards. The works.

A thick brown wallet on a concrete pier. Greece, 2024.

I rushed up the gangway and handed it in to the guest services desk. The clerk’s eyebrows arched in surprise as I handed it to her. She thanked me and said it was very nice of me to return it.

I said, “Sure. That’s what people do.”

Why?

Today’s article deep dives into what drives man to be honest and where it comes from.

What A Study That Dropped 17,000 Wallets Found Out…

A study conducted by the University of Michigan and the University of Zurich provides provocative clues about honesty and wallets.

Researchers spent three years dropping 17,000 wallets across 335 cities in 40 countries. Some wallets were empty. Others had $13. Some had almost $100.

Every economist in the study said that the more money in the wallet, the fewer people would return it.

Wrong.

In 38 of 40 count…

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