Invisible

conomy”By preferring the support of domestic to that of foreign industry, he intends only his own security; and by directing that industry in such a manner as its produce may be of the greatest value, he intends only his own gain, and he is in this, as in many other cases, led by an invisible…

  His name, perhaps, is trying to suggest that Inspector Goole is not a living being at all. His name-“Goole” sounds exactly the same as the spirit type “ghoul” and the author could possibly be trying to hint to us that the Inspector is like our conscience or a good spirit trying to uncover all…