Stability of Analysis by New Disequilibrium Cobweb Model of Coal Supply and Demand

This paper is based on the analysis of the supply and demand of coal and the time lag between supply and demand, the economics cobweb model is applied to coal of supply and demand,establish a coal supply and demand disequilibrium cobweb model under the national macro-control to study the stability of price volatility.The second part is in the coal market of free competition, the use of non-equilibrium cobweb model for the stability of Shanxi Provinces coal supply and demand analysis shows that in free competition in the market, the coal supply is unstable, this same comparison differences in the findings of the original nonequilibrium cobweb cobweb model and new model, the new findings further indicate that the cobweb model is more accurate. On this basis, study the stability control of shanxis coal supply and demand situationin to show the government’s macroeconomic regulation plays a role in stabilizing of the supply and demand.