oil spill in gulf of mexico Planning is so important for the success of the transaction that it is necessary to use a hypothetical example to further illustrate. The focus of 2017 also includes making blockchain workplaces more attractive. On the basis of introducing marginal concepts and mathematical argumentation, neoclassical has established a formal "perfect" mathematical model for the neoclassical "laissez-faire order" : general equilibrium. The price is the most important independent variable in this model, which can also be called price mechanism. The process of achieving general equilibrium is also a process of social resources guiding the flow of prices, so the price mechanism regulates the allocation of social resources.