Compete with others? No, thanks. With myself? Yes, please!

We study the willingness to compete against self and others in an experiment with over 650 participants, using a modified version of the Niederle and Vesterlund (2007) design. We show that introducing a possibility to self-compete, in addition to the standard other-competition option, increases the proportion of participants who compete by more than 60 percent, indicating that self-competition attracts many of those who would otherwise have...