G-space
Lancaster, K. (1966). A New Approach to Consumer Theory Author ( s ): Kelvin J . Lancaster A NEW APPROACH TO CONSUMER THEORY *. Journal of Political Economy, 74(2), 132–157.
Lancaster1966
効用はCharacteristic space上で定義される
#C-space
予算制約線はGoods space上で定義される
see
A New Approach to Consumer Theory