重述格雷欣定律

Restatement of Gresham's Law

经济学者对格雷欣定律有两种不同的理解,要考证其具体含义必须深入考察格雷欣爵士所处的经济社会背景。通过分析,本文认为该定律是指重量轻、成色差的劣币驱逐了重量足、成色好的良币。另外,本文对格雷欣定律成立的条件进行了具体分析。最后以加洛林王朝的铸币体系在西欧国家的扩散来验证格雷欣定律的成立。

Economists have two different understanding on Gresham＇s Law. If we want to research the specific meaning, the economic and social background which Gresham lived is investigated deeply. Through the analysis, the article thinks Gresham＇s Law means bad money with light weight and bad color drives out good money with enough weight and good color. In addition, the tenable condition of Gresham＇s Law is specifically analyzed. At last, the establishment of Gresham＇s Law is verified through the example of proliferation of coinage system of Carolingian Empire in western European countries.