Walras' Elements of Pure Economics provides a succession of models, each taking into account more aspects of a real economy (two commodities, many commodities, production, growth, money).
瓦尔拉斯的纯粹经济学的要素给出了一组模型，其中每一个都考察了真实经济的更多层面（两商品，多商品，生产，增长，货币）。