'competitive self' is an acceptable and usable phrase in written English.
It is typically used to refer to a person's drive to succeed or out-do others in order to achieve a desired result or goal. For example: Lana has a very competitive self, always striving to get the highest scores on her tests.
Winning, says my competitive self.
Today wasn't really about that, as much as my competitive self tried to fight back.
Our competitive self -- carefully hidden during courtship -- wants to return, ready to make up for lost time.
Elements with a DNA quantity of 400 pg/spot also have reduced signal strength, which may be caused by competitive self hybridisation of the element DNA or possibly stearic hindrance of the fluorescent dyes.
Bernard is a fiercely competitive, self-regarding novelist and creative writing teacher whose career is on the skids.
Economists have taught us that competitive self-interest ultimately benefits everyone and makes society more productive, but Heffernan believes the opposite.
The plot hinges on a prophecy about four brothers, which throws them into a frenzy of competitive self-enrichment — through train robbery, prostitution, and, eventually, American industry.
While God is the prime mover of the universe, man's innate competitive self-interest is the prime mover of the marketplace.
As surely as the holiday season brings sugarplum fairies and eggnog, it also means the start of a few months of fiercely competitive self-promotion for Hollywood.
In the field of economics, the study of transaction costs originated from the use of aggregative social modeling and its underlying assumption of individuals operating under competitive self-interest.
Mr. Minahan may have been attracted to the competitive self-loathing that leads people to want to appear on these shows, but it's hard to upstage that and the lack of shame that motivates such would-be stars.
