Empirical Studies Have Found That

Empirical studies have found that:

A) countries that are the most open in terms of the ratio of foreign trade to domestic output, enjoyed the greatest technological transfers.
B) countries that are most closed in terms of the ratio of foreign trade to domestic output, enjoyed the greatest technological transfers.
C) countries that are modestly open in terms of the ratio of foreign trade to domestic output, enjoyed the greatest technological transfers.
D) countries that are modestly closed in terms of the ratio of foreign trade to domestic output, enjoyed the greatest technological transfers.