发展市场经济是中国历史上的一次重大转折,它不仅意味着生产方式的深刻变革,同时也是人们观念、思想、理论的飞跃。在这一新的历史时期,许多问题都必须重新认识,交换的规模就是其中的一个重要问题。交换的主要功能是媒介商品流通。在市场经济条件下,交换的过程可以分为两步:Ⅰ.流通资金购买生产者产品;Ⅱ.消费货币购买商人商品。交换的规模,表现为在交换过程中投入的流通资金、劳动力及获得的利润规模。交换的规模,可以用绝对数加以显示,但更有意义的是以交换在社会再生产中所占的份额,交换与生产的比例等相对指标予以显示。它可以反映交换的实 Developing market economy is a major turning point in Chinese history. It not only means profound changes in the mode of production, but also a leap in people’s concepts, thoughts and theories. In this new historical period, many issues must be re-recognized, the scale of exchange is one of the important issues. The main function of exchange is the circulation of media commodities. In a market economy, the process of exchange can be divided into two steps: I. The circulation of funds to buy producer products; II. The consumption of money to buy merchant goods. The size of the exchange, manifested in the exchange process into the circulation of funds, labor and the profit scale. The size of the exchange can be shown in absolute terms, but more significant is shown by relative indicators such as the share of exchange in social reproduction, exchange and production. It can reflect the real exchange