TY - JOUR AU - Murphy,Kevin M. AU - Topel,Robert H. TI - The Evolution of Unemployment in the United States: 1968-1985 JF - National Bureau of Economic Research Reprint Series VL - No. 1209 PY - 1989 Y2 - June 1989 UR - http://www.nber.org/papers/r1209 N1 - Author contact info: Kevin M. Murphy Booth School of Business The University of Chicago 5807 S. Woodlawn Ave. Chicago, IL 60637 Tel: 773/702-7280 Fax: 773/834-3554 E-Mail: murphy@chicagoBooth.edu Robert H. Topel Booth School of Business The University of Chicago 5807 South Woodlawn Avenue Chicago, IL 60637 Tel: 773/702-7524 Fax: 773/702-2699;708/798-5080 (home) E-Mail: robert.topel@ChicagoBooth.edu AB - ER -