@article{ref1,
title="The Ecological Structure of Negro Homicide",
journal="American journal of sociology",
year="1962",
author="Pettigrew, Thomas F. and Spier, Rosalind Barclay",
volume="67",
number="6",
pages="621-629",
abstract="State rates of Negro American homicide vary sharply across the nation. An ecological analysis of these differences reveals two principal correlates: homicidal culture (as measured by the white homicide rates of the native states of Negroes) and the percentage of non-white makes born out of state. Two orthogonal patterns of high Negro homicide rates emerge: one involves high homicidal culture with rapid social change and is centered in fringe southern states; the other involves medium homicidal culture with high non-white in-migration and is centered in the Midwest. These findings are consistent with a variety of historical, survey, and crime data on homicidal culture and migration.<p />  <p>Language: en</p>",
language="en",
issn="0002-9602",
doi="10.1086/223226",
url="http://dx.doi.org/10.1086/223226"
}