Over the past decades, information imperfection or asymmetry has been introduced into all fields of economics, which has led to a series of new theories. And then the Eeonomcs of Information Paradigm is formed, though it is imperfect and not systematic. On this Sake, the paper discusses the hypothesis, the essential origin, the harmfulness and its curing thoughts about information imperfection or asymmetry respectively, so as to try to construct the united system of Information Imperfection or Asymmetiy Theory initially. Social division of labor running through this paper and giving my own expositions of few specific problems are characteristics of this paper. |