axiology; theory of value
Academic term in philosophy and economics; refers to the study of value, including ethical and economic value.
価値論は哲学の一分野です。
Axiology is a branch of philosophy.
経済学
The theory of value in economics explores the source of a commodity's value.
Compound of 価値 (kachi, 'value') + 論 (ron, 'theory, discourse').