“回波效应”大于“波及效应”：东西部地区差距拉大的内在机制改革开放十几年来，我国各个地区的经济发展存在着明显的差距，区域经济发展的不平衡现象更加突出，东西部地区经济发展差距非但没有缩小，反而呈扩大之势。其差距拉大的原因，我们认为必须从更深层次的内在机... “Echo effect” is greater than “spillover effect”: the internal mechanism of widening gap between east and west regions In the past ten years of reform and opening up, the economic development in various regions of our country lags far behind. The imbalance in regional economic development has become even more prominent. Instead of narrowing the gap in regional economic development, the gap has been expanding. The reason for the widening gap, we think it must be deeper internal machine ...