3Connor M,O'Toole,Finn Taip.Corruption and the efficiency of capital investment in developing countries[J].J.Int.Dev.,2014,26(5):192-210.
4Giulia Romano,Andrea Guerin.The effects of ownership,board size and board composition on the performance of Italian water utilities[J].Utilities Policy,2014,31:152-180.
5Scanjet Gupta,Altar Kannur,Chris Papa Georgiou,et al.EfEiciency-Adjusted Public Capital and Growth[J].Word Develop- ment,2013,11(12):112-128.
6Era Dabble-Norris,Jim Brumby.Investing in public investment:an index in public investment efficiency[J].Journal of Eco- nomic Growth,2012,17(3):235-266.