国务院发展研究中心市场经济研究所副所长陈淮说 ,东部与西部发展差距不断拉大 ,根本在于城市差距不断拉大。过去很多年中 ,西部发展的关键制约“瓶颈”并不在于其“优势”未能得到充分发挥 ,而在于其生态脆弱、基础设施条件差、人口聚集程度低和体制转变滞后等劣势未能得到有 Chen Huai, deputy director of the Institute of Market Economy at the Development Research Center of the State Council, said that the gap between the development of the east and the west has been widening. The fundamental reason for this is that the urban gap has widened. In the past many years, the “bottleneck” of the key constraints in the development of the western region did not lie in its inability to give full play to its “strengths” but because of its inability to obtain such weaknesses as fragile ecology, poor infrastructure, low population levels and lagging institutional transition Have