1. If there is less income to spend on consumption are low. If higher income consumers will spend more for better quality products.
2. If the price predictions that prices will rise in the future, consumers will not buy it from hoarding. Part of the revenue used to pay will be higher.
3. Tastes consumer tastes are different and a toll on consumer spending is luxuries.
4. Installment increases the likelihood of consumers because they do not have to pay once. And those with low incomes cannot buy the sort of expensive.