6Aschauer D A.Is Public Expenditure Productive?[J].Journal of Monetary Economics,1989,(23):177-200.
7Démurger S.Infrastructure Development and Economic Growth:An Explanation for Regional Disparities in China?[J].Journal of Comparative Economics,2001,(29):95-117.
8Fan S.and X Zhang.Infrastructure and Regional Economic Development in Rural China[J].China Economic Review,2004,(15):203-214.
9Munnell A H.Infrastructure Investment and Investment Growth[J].Journal of Economic Perspectives,1992,(6):189-198.