The Impacf of Intra-industry on Industry Competition

Based on the theories of intra-industry trade,Grubel Lloyd index and normalized trade balance are used to analyze the condition of China's intra-industry trade.The paper points out that intra-industry trade can promote the competitive advantage of some industries.It can promote the technological grade of some trade products and reduce the production cost and expand the scale of specialized production and accelerate the trade escalation.It can be used to enhance the types of our products.The practies prove it necessary and effective to promote Chinese industry competition through intra-industry trade.