Income Effect Brief Explanation

In microeconomics the income effect is the change in demand for a good or service caused by a change in a consumer s purchasing power resulting from a change in real income.
Income effect brief explanation. What is the income effect. For a good as a result of a change in the income of a consumer. Example of income effect. For example if a household spends one quarter of its income on rice a 40 decline in rice prices will increase the household s disposable income which they can spend in purchasing either more rice or something else.
It is important to note that we are only concerned with relative income i e income in terms of market prices. Given the same income consumer habits and quantity of items desired tends to be affected by price of those items. It means that as the price increases demand decreases.