经济学是研究个人和团体从事生产、交换以及产品和服务消费的一种社会科学,它研究怎样最佳使用稀缺资源以满足人们无限需求。现代西方经济学家认为:“世界上任何经济资源都是有限的,因而社会产出也总是有限的。”“经济资源”的概念是指能够用于生产产品和服务的一切自然的人类 Economics is a social science that studies the activities of individuals and groups in the production, exchange, and consumption of goods and services. It examines how best to use scarce resources to meet the infinite needs of people. Modern Western economists argue that “any economic resource in the world is finite and thus social output is always limited.” The concept of “economic resources” refers to all natural human beings that can be used to produce goods and services