5Anttiroiko A V, Valkama P, Bailey S J. Smart cities in the new service economy: Building platforms for smart services[J]. AI&Society, 2014, 29(3): 323-334.
6Bencivenga V. Transactions costs, technological choice and endogenous growth[J]. Journal of Economic Theory, 1995, 67(1): 153-177.
7Caragliu A, Nijkamp P. Smart cities in Europe[J]. Journal of Urban Technology, 2011, 18(2): 65-82.
8Hallands R G. Will the real smart city please stand up?[J]. City, 2008, 12(3): 303-320.
9Levine R. Financial development and economic growth:Views and agenda[J]. Journal of Economic Litera-ture, 1997, 35(2): 688-726.
10Margarita A. Smart cities: A conjuncture of four forces[J]. Cities, 2015,47: 95-106.