\message{Document style option `aer.sty' (29 May 1993) for LaTeX 2.09.} \textwidth=28pc \textheight=46pc \def\bysame{\leavevmode\hbox to\leftmargin{\leaders\hrule height 3pt depth -2.5pt\hfill\,\,}} \def\thebibliography#1{\section*{\refname\@mkboth {\uppercase{\refname}}{\uppercase{\refname}}}\list {\@biblabel{\arabic{enumiv}}}{\labelwidth=12pt \labelsep=0pt \leftmargin\labelwidth \advance\leftmargin\labelsep \itemsep=0pt\parsep=0pt \usecounter{enumiv}% \let\p@enumiv\@empty \def\theenumiv{\arabic{enumiv}}}% \def\newblock{\hskip .11em plus.33em minus.07em}% \sloppy\clubpenalty4000\widowpenalty4000 \raggedright \sfcode`\.=1000\relax}