From Fast Company | The 6 Myths Of Creativity:

5. Competition Beats Collaboration

There’s a widespread belief, particularly in the finance and high-tech industries, that internal competition fosters innovation. In our surveys, we found that creativity takes a hit when people in a work group compete instead of collaborate. The most creative teams are those that have the confidence to share and debate ideas. But when people compete for recognition, they stop sharing information. And that’s destructive because nobody in an organization has all of the information required to put all the pieces of the puzzle together.

I knew it all along.