Definition of Demand and Demand Axiom : Criticism on the Demand Definition of Mainstream Economics

The Chinese version of this paper can be found at http://papers.ssrn.com/abstract=1960697.This paper researches the consumers' behavior theory and the demand definition of mainstream economics and finds that these definitions are different and in contradiction. Therefore, this paper proposes the Giffen criteria of demand definition. Under this criterion, the demand definitions of consumers' behavior theory and mainstream teaching materials are all wrong. This paper redefines the demand and analyzes the difference between the demand definition of this paper and that of consumers' behavior theory and mainstream economics. Under the demand definition of this paper, demand law has become an axiom. The demand curve of Giffen goods also slides lower right