Keywords:Log-concavity; Increasing Hazard Rate; Non-parametric Testing (search for similar items in EconPapers) JEL-codes:D80C12C14 (search for similar items in EconPapers) Date: 1996-11-17 Note: Type of Document - LaTex; prepared on UNIX Sparc TeX; to print on PostScript; pages: 31 ; figures: request from author. We never published this piece and now we would like to reduce our mailing and xerox cost by posting it. View list of referencesView citations in EconPapers