Whether you like it or not, people of both genders will be competitive. Ultimately, this is why socialism fails. The incentive to compete essentially disappears. If everyone is forced to be paid the same, why try harder than anyone else? The goal then becomes to game the system as much as possible, where the ruling class accumulates wealth. However, the mere accumulation of wealth is not itself a productive endeavor.

You need only look to the former Soviet Union and republics for evidence of this.