Veblen
Veblen goods mean that people's preferences are directly linked to price, and their preference increases with price. In other words, high price acts as an obstacle to the purchase of the good, so possessing the good produces a signal effect that it has the ability to overcome the obstacle, In addition, additional utility is caused by high prices. However, at this time, the price of the biblone material may be such a disadvantage only if it is high enough to make it difficult for people with ordinary income levels to purchase. This definition does not prove that there is actually a certain material. However, this definition defines a kind of luxury goods such as expensive wines and fragrances that are associated with some sort of high status.