Using China's provincial panel data from 2010 to 2016 and compiling a shared development index based on two dimensions of sharing of economic development conditions and opportunity and economic development results,we obtain a result that the overall level of shared development in the country is low,the differences between regions are significant and the insufficiency and imbalance of development is prominent. The results of Spatial Dubin model show that both fiscal decentralization and autonomy decentraliz...