8Nogues Julio J, Olechowski Andrzej,Winters L Alan. TheExtent of Nontariff Barriers to Industrial Countries , Imports[J]. World Bank Economic Review ,1986( 1 ) : 181 -99.
9Lee Ha Yan, Ricci Luca Antonio,Rigobon Roberto. OnceAgain, is Openness Good for Growth [ J]. Journal of Devel-opment Economies ,2004,75 (2) :451 -472.
10Dollar David. Outward-oriented Developing Economies Re-ally do Grow More Rapidly : Evidence from 95 LDCs,1976—1985 [ J]. Economic Development and CulturalChange, 1992,40(3) :523 -544.
