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青海省翻譯公司關鍵字：Enterprises in industrial clusters in the presence of technology spillovers, industry cluster is the enterprise for the common good, to the accumulation and formation. Industry cluster development model to bring economic externalities or spillover effects, to achieve economies of scope, cost advantage to bring economic development, technological innovation system, cluster models have advantages and market advantage. If the cluster is entirely in the market "invisible hand" formed under it, will inevitably lead to "market failure" phenomenon, the theoretical basis for the development of industrial policy is one to make up for "market failure" phenomenon. Necessary for the Government in the early stages of the formation of industrial clusters, from concept level, according to local resource endowment advantage, taking into account the direction of industrial growth and the overall regional development strategy and coordinated the formulation of industrial policies to better promote the formation and the whole industry chain development. In this, the author attempts to give a suitable model of the industrial structure of technology spillovers.The model consists of upstream, midstream and downstream together constitute a simplified production chain. Company's products into the upper reaches of the middle companies continue processing; midstream company's products into the downstream business. In order to facilitate the analysis of the problem, make the following assumptions.upstream resource extraction-based business is the supply of raw materials business, the company has a "natural monopoly" characteristics, are monopolies. Efficiency of resource use, technological level;midstream business is the production and processing enterprises, have considerable technological production capabilities, proficient in each of the industrial chain technologies, such as mining technology companies, including upstream and downstream business sales techniques. Able to supply raw materials upstream processing into finished products, and direct supply to the downstream business. Middle of the market chain are oligopolistic or monopolistic competitive market;
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