期刊名称：Discussion Papers / School of Business, University of New South Wales
出版年度：2007
卷号：2007
出版社：Sydney
摘要：With the publication of the first edition of his Principles of Economics in 1890, Alfred Marshall developed partial equilibrium analysis as a method for turning economic theory into a form that could be used to formulate policy and aid in the analysis of actual problems. He wanted economics to be “an engine for the discovery of concrete truth” (quoted in Hausman 1992, p. 152). In partial equilibrium each market or section of the economy is considered as a separate entity, and so its interdependence with other markets is not considered. This often is described as ceteris paribus; that is, other things being equal. To bring some order and understanding to an extremely complex world in which everything affects everything else, partial equilibrium concentrates on key relations, holding the rest constant (Hausman 1992). It is not that these factors are believed to be unchanging but that they are held in the ceteris paribus “pound.” As Marshall stated in 1922:
