the effective use of the supply-and-demand concept, Weigel stated, could have come right into the image in the belated nineteenth century, whenever American urban centers had been exploding in populace.

the effective use of the supply-and-demand concept, Weigel stated, could have come right into the image in the belated nineteenth century, whenever American urban centers had been exploding in populace. The effective use of the supply-and-demand concept, Weigel...