TY - SER ED - University of California, Los Angeles. TI - Working paper SN - 1936-8933 AV - HB131 U1 - 330 14 PY - 1979///- CY - Los Angeles PB - Dept. of Economics, University of California, Los Angeles KW - Economics KW - Methodology KW - fast N1 - Title from p. 1 of pdf file (viewed at the publisher's Web site, Dec. 22, 2005); Also issued in print ER -