李新家指出,我们应充分认识到知识经济时代商品体系的扩大和价格领域的拓展。商品体系的扩大主要是因为各类服务型产品和无形资产成为商品,因而价格领域也扩大到了无形服务商品的价格和无形资产价格的领域,其中包括金融和期货市场上产品价格的领域。这些商品的价格如何定,有它们特殊的规定性。从理论上讲,一方面必须研究知识、科技型劳动和 Li Xinjia pointed out: We should fully recognize the expansion of the commodity system in the era of knowledge economy and the expansion of the price field. The expansion of the commodity system was mainly due to the fact that various types of service-based products and intangible assets became commodities, and thus the sphere of price was also extended to areas such as the price of intangible service goods and the price of intangible assets, including the price of products in the financial and futures markets. The prices of these commodities are set, they have special provisions. In theory, on the one hand, we must study knowledge, science and technology and labor