煤炭产业链链内协作与链际演化的内生性研究

Coal industry chain the endogenous of the inside nodes' collaboration and inter-chain evolution

运用演化博弈分析方法,从煤炭产业链的链内节点企业间的协作关系出发,分析了煤炭产业链内企业独自决策和形成产业链后利润总值的变化;研究了煤炭产业链的内部以及相关产业链链际之间的演化机理,并如何逐步内化为煤炭产业链构建和演化的动力.结果表明:煤炭产业链内节点企业之间通过协作可以更好地发挥规模效应优势,节约交易成本,提高经济效益;产业链链际演化虽然存在演化路径的差异性,但存在共同的演化方向,最终达到稳定的收敛点,并且演化后整体上的规模和数量都超越了原有产业链的规模,这将为煤炭产业链的构建和延伸起到决策支持作用.

In this paper, by using evolutionary game analysis method,coal industry chain, firstly, from the research on collaboration inside nodes of chain, has been analyzed on the changing of enterprises＇ gross profit from decision-making solely to the formation of industry chain. Secondly, it has also analyzed the starting occasion of the coal industry and related industries with- in the chain of interpersonal evolution mechanism, and how the coal industry chain internalized gradually into the building and evolutionary process. Lastly, the related results found that： i） nodes in the coal industry chain through collaboration between enterprises can better play the advantages of scale, saves transaction cost and improves economic efficiency; ii） the evolution of inter-chain chain analysis found that although there are differences in the evolution path, but there is a common evolutionary direction path, are eventually reach a stable convergence node, and the overall evolution of the scale or after the number are beyond the size of the original chain. Conclusion of these studies will play key role in decision support on building the coal in- dustry chain and its further extension.