Likewise, as we're developing policies to try to encourage exports, if we know there's this externality -- this extra thing that's going to happen as we increase exports -- we can think about what the right kinds of policies are.
同じように 輸出支援の政策を展開する上で 輸出の増加に伴って起こる 外部性の存在を知っていれば 適切な政策が何か考えられるのです