Quantity demand is the demand for goods in a considerable amount or size....
Social structures <span>consist of statuses, roles, groups and institutions.
A social structure is a group of people joined by some common characteristics - a social group, infrastructure, hierarchy by birth, the same job, etc. These structures include various statuses that people may have, their roles in institutions, etc.</span>
People's opinions, tastes, and values differ. These are oall influence on how they see the good and bad in all the outcames that they are faced with. People face different situations like wealth and income or age and gender, that affect how they calculate the worth of things.