1.After having discussed many important properties of WBPE, such as Completeness,Orthogonality,Generation and Degenration, the author developed a concept of General PayoffMatrix, or W-matrix, and demon strated its skill through a typical example given by prof. Y.
2.Based on the simplified payoffmatrix, we find, the condition under the stronger learning ability and the upper Spillover, the firm can reduce its adoption cost since the technology innovation adoption is delayed, and the diffusion will take place.