This is the authors' final draft of the paper publsihed as Critical Perspectives on Accounting, 2005, vol 16 (3), pp. 165-183. The final published version is available at
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WD4-499F5BC-1&_user=123215&_coverDate=04/30/2005&_rdoc=4&_fmt=summary&_orig=browse&_srch=doc-info(#toc#6756#2005#999839996#557742#FLA#display#Volume)&_cdi=6756&_sort=d&_docanchor=&_ct=14&_acct=C000010181&_version=1&_urlVersion=0&_userid=123215&md5=bb895199fb89989b286d0128e8abf2a3