
% \write18{if [ ! -f economics.bib    ]; then touch economics.bib    ; fi}
\write18{if [ ! -f \jobname.bib     ]; then touch \jobname.bib     ; fi}
\write18{if [ ! -f \jobname-Add.bib ]; then touch \jobname-Add.bib ; fi}

\bibliographystyle{handout}
\bibliography{economics,\jobname,\jobname-Add}
