“…Such ratios are usually a poor guide to future financial prospects. The numerators and denominators of such ratios are calculated from information emerging from the application of an oftentimes counter-intuitive and bizarre set of rules which produce measures lacking in any reasonable sense of contemporary monetary equivalence ( ) Chambers, 1973;O'Connor, 1973;Bird & McHugh, 1977 . The Guide is based on an outdated, largely discredited view of the role and usefulness of conventionally-prepared published financial statements and the extent to which those statements reflect current market ( measures; have information content, even narrowly-defined Ball & Brown, ) 1968;Beaver, 1968 ; are the product of earnings management and dis-( cretionary accounting policy choice Beidleman, 1973;Eckel, 1981;Worthy, ) 1984;Craig & Walsh, 1989;Merchant & Rockness, 1994, among others ; ( ) indulge in '' foozles'' and feral accounting Clarke et al, 1997 andbig ( bath accounting Greene, 1986;Weberman, 1986;Elliott & Shaw, 1988; ) Walsh et al, 1991 and adopt other dubious and highly idiosyncratic practices. Many of these limitations are captured in the various critiques ( of accounting offered over the years, most prominently by Briloff 1972 Thus, reading the IBM Guide is like being put in a time warpᎏ in a ''cone of ignorance''.…”