Answer:
c. Rarity
Step-by-step explanation:
A good marketer knows that there is no need to spare any effort in the influence of consumer behavior to condition a purchase, we see that when:
Limited editions appear, the quantity resource makes the variable more valuable because it is impossible to replace it. Psychologically - emotionally to be specific - a memory of the Queen band that is limited edition is going to be very valuable for me because I could not replace it or it would cost me to do so.
It also happens with the oddities, those items that we feel can increase their value. Maybe those StarWars glasses that compresses recently in the future can cost millions