Artificial scarcity is a targeted reduction in supply, even if demand is high, in order to maximize prices.
Man-made scarcity is a tactic commonly used in marketing to raise the prices of items such as collectibles or limited editions, where the manufacturer controls the overall supply of the desired item or service. While a manufacturer could do enough to meet current demand, choice does not help take advantage of the exceptional demand for their products.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.