Krumm, Ronald J., The economics of urban blight / Ronald Krumm and Roger J. Vaughan - xi, 69 pages ; 28 cm. - The Rand paper series; P-5712 . - Rand paper series; P-5712 . Includes bibliographical references. Subjects--Topical Terms: Urban renewal--Illinois--Chicago. Subjects--Geographic Terms: Chicago (Ill.)--Economic conditions