The purchasing power of an individual will have, of course, a decisive influence on his behavior and purchasing decisions based on his income and his capital.
This obviously affects what he can afford, his perspective on money and the level of importance of price in his purchasing decisions. But it also plays a role in the kind of retailers where he goes or the kind of brands he buys.
As for social status, some consumers may also look for the “social value” of products they buy in order to show “external indications” of their incomes and their level of purchasing power..