When demand for a product is high, and supply is low, the price of the product usually

the price increases when the supply cannot meet the demand

Explanation:

When there are a limited number of a certain item, that item becomes more rare thus, making it more valuable. For example, when certain designer brands only make a certain number of purses in the world, they tend to be more expensive and could be called a "collector's item"

"social stratification refers to the way people are ranked and ordered in society. in western societies, stratification is primarily seen and understood as a result of socioeconomic status, which produces a hierarchy in which access to resources, and possession of them, increases from the lower to the upper strata"