经济学是一个研究领域，主要探讨财富，银行，金融，买家和经销商，经济发展和衰退的趋势等问题。 该领域涉及与个人，企业和国家相关的商品和服务的生产及消费。

Courses are academic classes taught by qualified instructors that are intended to enhance participant’s knowledge of a given area or training in a particular discipline. Courses vary broadly in terms of length, size, content and duration.