Parity Estimation Method and Its Demonstration of Purchasing Power in Telecommunication Industry

In this paper, the estimation method of PPP is set up at industry, branch and sector levels from the view of production at first; then the measuring method, categories and unit of PPP in telecommunication industry are determined; after that, the comparative data of quantity and revenue are figured out by proper adjustment; and finally based on these data, PPP (1990-98) between China and the United States is estimated and analyzed.