In: Economics
The growth in commercial society due to the improvement of commercial activities leads to the change of buying pattern of people very much. The situation of business prosperity make them to think towards the achievement of luxury items like gold , diamond , luxury cars ...etc. After the recession the economy starts to work with its previous power there is a situation arise that every one getting job and they will starts to earn more money than need so as a human they try to improve their living standard and the excess money the used to buy luxury products. They want to showcase their life with happy and prospirity. The prime objectives for purchasing luxury products is for showcase their life in to the society later it changed to like prastige issue.
Neoclassicals says that people have rational preferance between outcomes that can be identified and associated with values. Individual maximize utility and firm maximize profit.
Necessity goods are the goods and services that consumer will buy regardless of the changes in their income level.
Luxury goods are the goods it's consumption depends upon the income level of customer.