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Washington — The banking industry seems to bring out dishonesty in people, a new study suggests.

A team of Swiss economists tested the honesty of bank employees in a lab game that would pay off in cash if they cheated. When workers at an unnamed bank were asked about their home life, they were about as honest as the general public. But employees who had just been asked about work at the bank cheated 16% more.

"Bank employees are not more dishonest than others," said Ernst Fehr of the University of Zurich, author of the study published Wednesday by the journal Nature. But he said when reminded of their job they become more dishonest, so something about the culture of banking "seems to make them more dishonest."

The American Bankers Association dismissed the study: "While this study looks at one bank, America's 6,000 banks set a very high bar when it comes to the honesty and integrity of their employees. Banks take the fiduciary responsibility they have for their customers very seriously."

Researchers studied 128 employees at a single bank (even the country where it is located was not revealed).

They gave them what is a fairly standard honesty test. They were told to flip a coin 10 times. Each time they flipped, they could earn $20 if it matched what researchers had requested — sometimes heads, sometimes tails. An honest person would report matching the requested flip result about 50% of the time. But when workers were asked questions about their work at the bank, placing their work at the forefront in their minds, they self-reported the result that paid off 58% of the time.

When researchers repeated the test with more than 350 people not in the banking industry, job questions didn't change honesty levels. Researchers tested 80 employees of other banks and they came up with about the same results as those from the main bank.

Six outside experts in business ethics and psychology praised the study to various degrees. Duke University behavioral economics professor Dan Ariely, author of the book "The Honest Truth About Dishonesty," said he agreed with the study authors that one possible solution is an honesty oath for bankers, like doctors' Hippocratic oath.

University of Louisville psychologist Michael Cunningham said while the study is intriguing, it is too broad in its conclusions.

Fehr said recent multibillion-dollar international banking scandals convinced him that he had to test scientifically public perceptions about bankers not being honest.

The study's findings ring true to Walt Pavlo, although he is not a banker. He was in finance at telecom giant MCI and pleaded guilty to wire fraud and money laundering in a multimillion-dollar scheme.

Pavlo said before joining his company he had worked in the defense industry, where ethics were stressed, and wasn't tempted to cheat. That changed in his new job, where he was "paid for performance" and was told to be aggressive.

That culture "influenced me in a way that initially I thought was positive," but led to prison, said Pavlo, who now teaches business ethics and writes about white-collar crime.