A model that indicates how money moves throughout an economy, between businesses and individuals. Investors spend their income by consuming goods and services from businesses, paying taxes and investing in the stock market. Businesses use the money spent by individuals while consuming and the money raised from selling stock to pay for capital to run their business, purchase material to manufacture products and to pay employees. All expenditures from individuals become the income of the businesses, and the expenditures of the businesses become the income of the individuals.