Prostitution

By all means let it be made a criminal offence for any person above the age of consent (which should be raised to 18) to buy, or attempt to buy, sex. And let it also be made be made a criminal offence, with an equal sentence, for any person above that age to sell, or attempt to sell, sex. Since the former are usually men and the latter usually women, are women morally and intellectually equal to men, or not?