2. Вставьте пропущенные предлоги, где это необходимо. 1. Each individual’s expenditure always contributes to some other individual’s income. 2. In some industry specific human capital may be in high demand and short supply and other human capital may be in excess supply. 3. Increases ... the quantities demanded typically vary ... different goods as incomes rise. 4. … order to know what agriculture’s contribution ... the national economy is, economic statistics are needed. 5. The demand ... factors ... production depends ... the demand ... the firm’s ... output. 6. ... workers receiving wages, a self-employed man receives profit.