The area that is subtracted from the loser's psychic income is larger than the area added to the winner's psychic income.
Indeed, we are close here to the conception of psychic income which is to be developed more fully.
The word industry is used here in a broad sense, including agents of psychic income not usually so classed, such as public parks.
Material income and immaterial income are both related to and reducible to psychic income.
The psychic income of individuals, therefore, is often made up of many elements.
Human services, being one of the conditions of psychic income, bear the same relation to wants that material goods bear.
The money expression of psychic income can be only approximately attained.
Distribution of psychic income may be in part by the collective use of social wealth.
It is well to recall also the distinction between wealth income, money income, and psychic income.
The durable goods are those utilities which for the time remain, not yet ripened or ready to be converted into psychic income.