关键词: 西部地区, 矿业市场集中度, 进入壁垒, 产品差别化

Abstract:

This paper applies regional economic theory and SCP theory of industrial economics to analyze the market structures of the mining industry, focusing on oil & gas, coal, ferrous metals, non-ferrous metals, and non-metallic industry in 12 provinces in western China, concludes that the concentration in coal, ferrous metals, non-ferrous metals and non-metallic industries is relatively low with a small entry barrier, the concentration in oil-gas industry is high with big entry barrier, the products in this five industries display a low differentiation, monopolization and competition are coexisting in mining industry in low-level disorder. This paper presents approaches to mining industry concentration and efficiency of the mining units.

Key words: western China, mining market concentration, entry barriers, product differentiation