JEL-codes:F1F2 (search for similar items in EconPapers) Date: Written 2003-08-30 Note: Type of Document - Tex/WordPerfect/Handwritten; prepared on IBM PC - PC-TEX/UNIX Sparc TeX; to print on HP/PostScript/Franciscan monk; figures: included View list of referencesView citations in EconPapers