The purpose of performance art is to challenge art's function as commodity.
Art as a commodity takes immaterial concepts and ideas and transforms them into tangible commodities that can be sold, sold, and collected. Art always works outside itself and interacts with external sources of investment. However, works of art risk “substantial inclusion under capital” through market intermediation. Commercialization means submission to the market. It means the erosion of the normative power of works of art. Commodities are the raw materials used to make the products that consumers buy, from food to furniture to gasoline and oil. Commodities include agricultural products such as wheat and livestock, energy products such as oil and natural gas, and metals such as gold, silver, and aluminum.
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