9Rosenthal S, Strange W. Evidence of the nature and sources of agglomeration economies[A]//In: Hen- derson V J, Thisse JF (eds) Handbook of Urban and Regional Economics[C]. Amsterdam: North-Holland, 2004:4.
10Jordan J A, Rodriguez-Oreggia E. Regional growth in Mexico under trade liberalizatioo: how impor- tant are agglomeration and FDI?[J]. Regional Science, 2012, 48:179-202.