We analyze the implications of multiple applications by job seekers for the microfoundations of the matching function. We emphasize a coordination failure caused by multiple applications, namely, that firms can waste resources processing applicants who are ultimately hired elsewhere.<P>This discussion paper resulted in a publication in <A href="http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V84-46SNFBV-2&_user=499884&_coverDate=01%2F31%2F2003&_rdoc=12&_fmt=high&_orig=browse&_srch=doc-info(%23toc%235860%232003%23999219998%23369093%23FLA%23display%23Volume)&_cdi=5860&_sort=d&_docanchor=&_ct=22&_acct=C000024499&_version=1&_urlVersion=0&_userid=499884&md5=0077676f03ac7f2539b3b42529f2d7bb">'Economics Letters'</A>, 2003, 78(1), 67-70.