Research Article

Evaluation of Urban Infrastructure Investment Efficiency: Empirical Evidence from Heilongjiang Province, China

Table 4

Scale of urban infrastructure efficiency for 12 cities in Heilongjiang province.

Value of scale efficiency20052006200720082009201020112012

≧1991010910108
<133223224
Mean0.9790.9820.9990.9940.9830.9870.9780.981