09/28/2012 09:10 am ET

Rich Or Not, Entrepreneurs Are Happiest In Study

The many struggles of entrepreneurship have been well covered in news stories and personal blogs: the late nights, the financial uncertainty, the pressure to attract customers or clients. Starting a venture is inherently risky and therefore inherently stressful.

And yet, starting up and running your own business also comes with some very tangible rewards. A study by the University of Pennsylvania's Wharton School of Business found a strong correlation between entrepreneurship and happiness, one that held even if the start-up in question wasn't phenomenally successful.

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