Using the model of supply and demand in the price fluctuations in the market

A model of supply and demand of goods and services are studied. The concept of a price coefficient (or the relative price) market equilibrium between supply and demand is introduced. The problem of forecasting science-based contract prices of balance between buyers and sellers in the market of goods and services at price fluctuations is examined. Revealed a formula for calculating the equilibrium price of supply and demand at the market price changes. A numerical example of the application of the proposed method is also provided.