@article {28226,
	title = {Measuring Crack Cocaine and Its Impact},
	journal = {Economic Inquiry},
	volume = {51},
	number = {3},
	year = {2013},
	note = {Crack Indices reported in the paper for Cities and States are attached.
Crack Indices adjusted for racial composition for Cities and States are attached.},
	pages = {1651-1681},
	author = {Roland G. Fryer and Paul S. Heaton and Steven D. Levitt and Kevin M. Murphy}
}
