Among the Conclusions of Chapter Eights Survey of the Evidence

Among the conclusions of Chapter Eights survey of the evidence on international technology transfers is that:

A) developing countries gain more technology from trade links with other developing economies than they do from trade links with developed economies.
B) foreign countries are the principal source of new technologies only in the case of the very largest economies.
C) the most important determinants of the speed at which a country adopts technologies are the country's human capital endowment, type of government, and the degree of openness to trade.
D) All of the above.
E) None of the above.