@article {15492,
	title = {Prices vs. Quantities},
	journal = {The Review of Economic Studies},
	volume = {October, 41},
	number = {4},
	year = {1974},
	pages = {477-491},
	url = {https://dx.doi.org/10.2307/2296698},
	author = {Martin L. Weitzman}
}
