Тестовое задание

"An economy produces just two goods, X and Y. The marginal private cost of producing X is $400 and the marginal external cost is $200. The marginal private cost of producing Y is $800 and the marginal external cost is $300. The marginal private benefit of consuming X is $500 and the marginal external benefit is $50, and the marginal private benefit of consuming Y is $850 and the marginal external benefit is $350.