【单选题】Which of the following is o ne of the fundamental source s of long-run economic growth ? a. An expansion of foreign GDP b. An increase in demand for the country’s importable product c. An i mprovement...
【单选题】Being in the export of silk, we have been famous in Eastern Asia.
【判断题】溶血性链球菌感染最常引起的是蜂窝织炎。( )
【单选题】Which of the following theories suggests that first mover advantage is significant in the export of a good?
A.
Product life-cycle theory
D.
Theory of comparative advantage