一、President Trump of the United States introduced reciprocal tariffs on other countries in April 2025. Please answer the following questions.
(二) To counter the reciprocal tariffs of the United States, a country plans to impose retaliatory tariffs on goods of the United States. Setting aside legal and political considerations such as World Trade Organization (WTO) rules, please evaluate it from the perspectives of economic theory and practical policy. List at least two viewpoints. (10 points)