NEW YORK (CNN/Money) - If you think rich guys are luckier in love, think again. A new study shows there is no correlation between household income and how frequently someone has sex.

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Researchers at the University of Chicago surveyed 16,000 Americans between 1988 and 2002, and found that unemployed people tended to have more sexual partners than higher-income folks. In the movies, they might call it "Revenge of the Poor Schlubs."

In reporting the study Wednesday, the USA Today noted that earlier research had found that declining income levels were connected with sexual dysfunction in men and women. The authors of the latest study told the paper they were surprised by the study.

"We thought we'd see some income effects," said Andrew Oswald of Warwick University, who was a co-author of the study. But he said there was no link between money and sex.

The researchers did find a small correlation between increased income and greater happiness. It also found people who do have sex more frequently are often happier.

The moral? It's good to be rich. But in some ways, it's not so bad to be poor, either.