Тестовое задание
If the income elasticity of demand for instant coffee is (-) 0.4, and for visits to the theatre it is + (2.8), a 10% increase in consumer incomes will lead to a:
If the income elasticity of demand for instant coffee is (-) 0.4, and for visits to the theatre it is + (2.8), a 10% increase in consumer incomes will lead to a: